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All-in-one calculator: basic, percentage, loan interest, salary, BMI, and discount calculator.
Convert numbers between base 2 and 36
Calculate GCD using the Euclidean algorithm
Calculate LCM and GCD of multiple numbers
Calculate n! and show Stirling's approximation
Check primality and show prime factorization
Calculate nth Fibonacci number and golden ratio
Calculate arithmetic, geometric, and harmonic mean.
Calculate the median of a dataset.
Calculate standard deviation and variance.
Calculate permutations P(n,r) with/without repetition
Calculate combinations C(n,r) with/without repetition
Perform various percentage calculations
Calculate addition, subtraction, multiplication and division of fractions
Solve axยฒ+bx+c=0 equations.
Matrix addition, multiplication, determinant.
Calculate logarithm values.
Calculate x^n exponents.
Calculate square roots.
Calculate area and circumference of a circle.
Calculate area and perimeter of triangles.
Calculate hypotenuse of right triangles.
Calculate rectangle area.
Calculate sphere volume and surface area.
Calculate cylinder volume.
Convert decimals to reduced fractions
Convert between Arabic and Roman numerals.
Calculate the remainder (mod) of two numbers
Check divisibility by 2-12 at once
Find all factors and prime factorization
Calculate cube (nยณ) and cube root (โn)
Calculate absolute value with number line
Split a total according to a ratio
Calculate power (aโฟ) of base and exponent
See round, ceiling, floor and truncate at once
Display first n digits of Pi (max 1000)
Sort numbers asc/desc and calculate basic statistics
Calculate arc length and sector area
Calculate distance between two points
Calculate midpoint between two points
Calculate ellipse area, perimeter and eccentricity
Calculate cone volume, lateral area and slant height
Calculate trapezoid area and perimeter
Calculate parallelogram area and perimeter
Calculate sector area, arc length and chord
Calculate hexagon area, perimeter and apothem
Calculate regular polygon area, angles and diagonals
Calculate population and sample variance
Find the most frequent value (mode)
Calculate min, max, range and quartiles
Calculate weighted mean of data with weights
Compare geometric, arithmetic and harmonic means
Calculate quartiles (Q0-Q4) and interquartile range
Calculate and interpret Z-Score
Calculate Pearson correlation (r) and Rยฒ
Measure relative dispersion with coefficient of variation
Calculate harmonic mean and compare with AM and GM
Calculate all 6 trigonometric function values
Calculate arcsin, arccos, arctan
Convert between degrees and radians
Solve triangles using the law of sines
Solve triangles using the law of cosines
Calculate trig values on the unit circle
Verify key trig identities in real-time
Convert between polar and Cartesian coordinates
Convert between degrees, radians, gradians and turns
Find hypotenuse, angles and area from two legs
Solve linear equations ax + b = c
Solve 2ร2 simultaneous equations using Cramer's rule
Solve linear inequalities ax + b > 0
Evaluate polynomial P(x) at a given value
Determine root types using the discriminant
Convert to vertex form a(x-h)ยฒ+k
Calculate sums of arithmetic and geometric series
Generate arithmetic sequence terms and calculate sum
Generate geometric sequence terms and calculate sum
Solve absolute value equations |ax+b|=c
Numerically calculate first and second derivatives
Calculate definite integrals using Simpson's rule
Numerically estimate the limit of a function
Find the tangent and normal line at a given point
Find roots using Newton-Raphson method
Calculate integrals using the trapezoidal rule
Calculate left, right, and midpoint Riemann sums
Calculate average rate and percentage change between two points
Quick reference for common derivative formulas
Numerically find zeros, extrema, and inflection points
Perform arithmetic and bitwise operations on binary numbers
Convert between hexadecimal and decimal
Convert between Roman and Arabic numerals
Convert numbers to scientific notation
Convert between octal and decimal
Calculate percentage change between two values
Simplify fractions and convert to decimal/percent
Convert fractions to decimal and percentage
Calculate selling price, profit and margin from cost
Calculate final price and savings after discount
Convert mixed numbers to improper fractions and decimals
Calculate percentage of a specific number
Calculate simple probability and odds
Calculate binomial P(X=k) and cumulative probability
Calculate expected value, variance, and standard deviation
Calculate probability of getting a specific sum with dice
Calculate probability of getting heads in coin flips
Generate random numbers in a specified range
Generate Pascal's Triangle
Convert currencies with real-time exchange rates.
Calculate return on investment and annualized return
Calculate compound interest and yearly growth
Calculate simple interest and total amount
Calculate monthly payments and amortization schedule
Calculate monthly mortgage payments and total cost
Quickly estimate the time to double an investment
Convert between hourly, daily, weekly, monthly and yearly salary
Calculate time to reach savings goal with monthly deposits and interest rate
Calculate break-even point from fixed costs, variable costs and price
Calculate asset depreciation and book value
Calculate compound growth with initial and monthly deposits
Calculate monthly car loan payments and total interest
Allocate income using the 50/30/20 rule
Calculate sales tax (add or remove)
Calculate sales commission and total compensation
Calculate net worth from assets and liabilities
Calculate profit margin and markup from revenue and cost
Calculate tip amount and split per person
Calculate future investment value with inflation adjustment
Calculate appropriate emergency fund target and current progress
Calculate periodic payments, total paid and future value of annuity
Calculate internal rate of return (IRR) and NPV
Calculate time to financial independence and early retirement
Calculate weekly/monthly/annual pay including overtime
Calculate capital gains tax on investment returns
Calculate down payment amount and monthly payments
Calculate time and total cost to pay off debt
Calculate CD interest earnings and maturity value
Generate amortization schedule with principal/interest analysis
Calculate present value of future amount using discount rate
Calculate future value of investments
Calculate stock investment return with dividends
Calculate monthly lease payments and residual value
Calculate how inflation affects purchasing power
Calculate current yield and project future Yield-on-Cost with growth
Evaluate borrowing capacity with monthly debt-to-income ratio
Calculate property tax from home value and rate
Calculate time for investment to double
Calculate Social Security, Medicare and payroll taxes
Calculate operating cash flow (OCF) and free cash flow (FCF)
Compare long-term costs of renting vs buying
Calculate weighted average cost of capital from equity and debt
Compare DCA vs lump sum investment
Calculate bond YTM, current yield and total return
Calculate retirement readiness and savings needed
Calculate buying power and leverage for margin trading
Calculate net present value and profitability index
Calculate equated monthly installment for loans
Compare cost of living differences between cities
Calculate revenue growth rate, CAGR and future projections
Calculate taxes by progressive income tax brackets
Calculate savings and break-even point for refinancing
Evaluate stock value with P/E, PEG and earnings yield
Analyze working capital and working capital turnover
Calculate compound annual growth rate
Calculate affordable rent based on income
Compare two loan options side by side to find the best deal
Calculate average cost price from multiple purchases
Get recommended asset allocation based on age and risk profile
Compare snowball vs avalanche debt repayment strategies
Calculate equity multiplier and debt ratios
Calculate operating income as percentage of revenue
Calculate ROE with DuPont 3-factor analysis
Calculate earnings per share and related ratios
Calculate EBITDA, EBIT and net income from income statement
Evaluate enterprise value with discounted cash flows
Measure risk-adjusted performance comparing excess return to total volatility
Convert total return to annualized return
Measure EPS sensitivity to changes in EBIT
Evaluate debt servicing ability with interest coverage ratio
Calculate book value, BVPS and P/B ratio
Calculate time needed to recover initial investment
Calculate inventory turnover and days sales of inventory (DSI) based on COGS
Calculate AR turnover and days sales outstanding
Calculate cash conversion cycle from DIO, DSO and DPO
Measure EBIT sensitivity to changes in sales revenue
Calculate cost of equity using both CAPM and DDM models simultaneously
Calculate P/B ratio and premium/discount to book value
Evaluate short-term payment ability with current assets to current liabilities ratio
Calculate gross margin and markup
Calculate P/S ratio dividing price by sales per share
Calculate total company value from market cap, debt and cash
Calculate FCF by subtracting CAPEX from operating cash flow
Calculate payout ratio, retention ratio and dividend yield
Measure asset utilization efficiency comparing revenue to average assets
Calculate ROA with DuPont decomposition
Calculate monthly, annual payments and total interest on a loan
Evaluate immediate payment ability excluding inventory from current assets
Evaluate value with PEG ratio (P/E vs growth)
Evaluate intrinsic value with Gordon growth model
Analyze enterprise value to revenue ratio
Calculate EV/EBIT multiple
Calculate price to cash flow per share multiple and CF yield
Analyze value creation with ROIC, WACC spread and EVA
Calculate net income as percentage of revenue
Calculate total return including price change and dividends
Calculate Beta, Alpha and Rยฒ from return data
Calculate pre-tax, after-tax cost of debt and tax shield effect
Predict bankruptcy risk using Altman Z-Score model
Calculate weighted average shares outstanding by period
Decompose ROE into net profit margin, asset turnover and financial leverage
Calculate maximum growth rate without external financing
Analyze retention ratio and dividend payout
Evaluate fixed charge coverage with EBIT and lease payments
Calculate collection efficiency and days sales outstanding (DSO)
Calculate average days to pay accounts payable
Calculate cash ratio, the strictest measure of liquidity
Analyze financial structure with equity and debt ratios
Calculate fair stock price with Gordon Growth Model
Calculate TIE ratio from pre-tax income and interest expense
Calculate market cap from share price and shares outstanding
Evaluate value by comparing market value to replacement cost
Analyze earnings yield and return on capital with Greenblatt's magic formula
Evaluate SaaS companies by combining growth and profitability
Calculate customer lifetime value to acquisition cost ratio
Calculate startup monthly burn rate and runway
Analyze per-unit profitability, LTV and CAC payback
Evaluate value dividing P/E by growth + dividend yield
Calculate enterprise value to free cash flow multiple
Predict when cash runs out based on monthly burn rate
Calculate expected return with Capital Asset Pricing Model
Calculate investment margin of safety from intrinsic value and market price
Calculate intrinsic value using EPS growth and discount rate
Calculate shares and price after a stock split
Calculate shares and price after a reverse stock split
Calculate fully diluted EPS including options and convertibles
Evaluate current liability coverage with operating cash flow
Analyze debt proportion of total assets and financial structure
Calculate net asset value and NAV per share
Calculate P/E ratio and earnings yield
Calculate loan proportion against property value
Calculate real estate investment return using NOI and property value
Calculate NOI by subtracting vacancy and operating expenses from gross income
Calculate annual cash flow return on actual cash invested
Calculate property price to annual gross rental income multiple
Compare earnings yield to bond yield for stock attractiveness
Calculate total ROI including rental income and property appreciation
Calculate book value per share based on common equity
Evaluate true value creation by subtracting capital charge from NOPAT
Measure risk-adjusted return considering only downside volatility
Evaluate portfolio performance by excess return over systematic risk (Beta)
Calculate tangible net assets excluding intangibles and TBV per share
Calculate debt service coverage ratio from NOI
Calculate tax savings from a 1031 like-kind real estate exchange
Calculate the full cycle from inventory to sales to cash collection
Calculate net debt and Net Debt/EBITDA multiple
Combine DOL and DFL to measure total impact of sales changes on EPS
Calculate precise EV including market cap, debt, preferred equity and minority interest
Calculate P/FCF multiple dividing price by FCF per share
Calculate EV/Sales multiple
Calculate proportion of earnings paid as dividends and retention ratio
Evaluate how stably EPS covers dividend payments
Measure fixed asset investment efficiency comparing revenue to net fixed assets
Calculate EBITDA as percentage of revenue
Measure shareholder profitability comparing net income to equity
Measure asset utilization profitability comparing net income to total assets
Evaluate true profitability on invested capital comparing NOPAT to WACC
Evaluate financial strength with 9 Piotroski criteria
Decompose ROE into profitability, efficiency and leverage components
Calculate earnings per share growth rate period over period
Calculate revenue growth rate period over period
Calculate compound annual growth rate (CAGR) of revenue
Calculate fair value of preferred stock using perpetuity dividend model
Calculate growth percentage compared to same period last year
Calculate equity risk premium as difference between market return and risk-free rate
Analyze operating efficiency with net working capital to revenue ratio
Analyze D/E ratio with short and long-term debt breakdown
Convert tax-free bond yield to taxable equivalent yield
Calculate bond yield to maturity and current yield
Measure interest rate sensitivity with Macaulay and modified duration
Calculate bond convexity to measure non-linear price change effects
Calculate present value of a zero-coupon bond
Calculate current yield dividing coupon by market price
Calculate inflation-adjusted real return using the Fisher equation
Calculate intrinsic value using the dividend discount model
Calculate capital gains yield from buy and sell price difference
Calculate total return including capital gains and dividend/interest income
Evaluate manager skill comparing excess return to tracking error
Analyze maximum decline from peak and recovery progress
Measure risk-adjusted performance dividing annual return by max drawdown
Calculate standard deviation of return differences between portfolio and benchmark
Measure pure investment performance eliminating cash flow effects
Calculate beta, alpha and Rยฒ via regression of stock and market returns
Calculate IRR reflecting investment amounts and timing
Calculate European call and put option theoretical prices using Black-Scholes model
Verify put-call parity and identify arbitrage opportunities
Calculate uniform annual depreciation and schedule using straight-line method
Calculate accelerated depreciation using declining balance method
Calculate intrinsic value and per-share value using discounted cash flow (DCF)
Calculate depreciation proportional to actual production output
Calculate residual income after deducting equity capital charge
Calculate EV/EBITDA, EV/Revenue and EV/EBIT multiples at once
Calculate accelerated depreciation using SYD method with detailed schedule
Compare total costs of leasing vs buying to find the best option
Calculate LTV ratio and equity for a mortgage loan
Analyze debt payment burden relative to annual income
Calculate break-even point in units and revenue from fixed costs, price and variable costs
Calculate contribution margin and ratio by subtracting variable costs from revenue
Calculate operating cash flow and earnings quality using indirect method
Calculate the proportion of earnings retained (not paid as dividends)
Calculate growth achievable without external financing using ROE and retention
Calculate interest coverage based on both EBIT and EBITDA simultaneously
Calculate payback period using discounted cash flows
Measure investment efficiency comparing PV of cash flows to initial investment
Calculate payment efficiency and days payable outstanding (DPO)
Calculate average days to convert receivables into cash
Measure efficiency of net working capital relative to sales
Calculate modified IRR reflecting cost of capital and reinvestment rate
Convert NPV to equivalent annual cash flow for project comparison
Calculate effective tax rate from taxes paid and taxable income
Calculate tax savings from debt interest expenses
Project retirement assets from current savings and monthly contributions
Calculate real return by adjusting nominal return for inflation
Calculate monthly payments and final balloon payment for a loan
Calculate true APR of a loan including fees and charges
Calculate effective annual rate considering compounding frequency
Calculate doubling time for investments using the Rule of 72
Measure combined effect of operating and financial leverage
Calculate property price to annual gross rent multiple
Calculate present value of periodic annuity payments (ordinary/due)
Calculate future value of periodic annuity deposits (ordinary/due)
Calculate pip value and profit/loss for forex trades
Calculate weighted average interest rate across multiple loans
Calculate age from date of birth
Calculate your Body Mass Index.
Calculate daily calorie needs.
Calculate body fat percentage.
Calculate ideal weight for your height.
Calculate Basal Metabolic Rate.
Calculate pregnancy due date.
Calculate ovulation and fertile window.
Predict child blood type from parents.
Calculate daily recommended water intake.
Calculate target heart rate zones.
Calculate calories burned by activity using MET values
Calculate calorie deficit for weight loss using TDEE and BMR
Calculate optimal protein, carb and fat ratios for your goals
Calculate body surface area using Du Bois, Mosteller and Haycock formulas
Convert blood sugar levels mg/dL โ mmol/L and assess diabetes risk
Daily caffeine intake analysis with source breakdown
Estimate BAC from drinks consumed, body weight and elapsed time
Calculate lean mass (muscles, bones, organs) using Boer and Hume formulas
Calculate recommended weight gain per week based on IOM guidelines
Calculate pregnancy weeks and due date from last menstrual period
Convert between HbA1c and average blood glucose and assess diabetes risk
Calculate 1RM and training zones using Brzycki, Epley and Lander formulas
Calculate pace per km and speed from target finish time
Calculate max heart rate and 5 training zones using multiple formulas
Determine body frame size from height and wrist circumference
Assess obesity and health risk using waist-to-height ratio
Calculate optimal carbohydrate intake based on activity and goals
Calculate cycling speed and calories burned from distance and time
Assess kidney function using CKD-EPI 2021 and Cockcroft-Gault formulas
Calculate daily recommended protein intake based on goals and activity
Bench press 1RM with bodyweight standards
Calculate optimal sleep/wake times using 90-minute cycles
Estimate 10-year cardiovascular disease risk using key risk factors
Calculate extra calorie needs by pregnancy week
Calculate timeline and daily calorie deficit to reach your target weight
Calculate due date and key vet timings from mating date
Lifestyle-based biological age with factor impact analysis
Calculate next eligible donation date by donation type
VO2max with 3 test methods and age norms
Calculate daily fat intake by goal
Estimate fetal weight using Hadlock formula (BPD, AC, FL)
Calculate stride length and steps per km
Calculate distance and calories from step count
Compare pre/during pregnancy BMI and recommended weight gain range
Calculate BMR/TDEE and target calories using Mifflin-St Jeor formula
Calculate smoking costs: daily, monthly, yearly and total
Recommend optimal meditation time by level and purpose
7-area flexibility test with stretch prescription
Squat 1RM estimation with percentage training chart
Deadlift 1RM with percentage chart and safety tips
Vitamin D from sun, diet and supplements
Iron intake with heme/non-heme and anemia detection
Estimate daily sodium intake with reduction guide
Pace, race predictions, splits and calories
Posture assessment with corrective exercise guide
Digital eye strain analysis with 20-20-20 rule guide
Grip strength with sarcopenia detection
Calculate BMR and TDEE with dual formulas
Calculate daily hydration based on weight, exercise, climate and caffeine
Calculate fasting and eating windows by method
Track menstrual cycle and predict next period and ovulation
Compare child growth with peers and predict adult height
Convert dog/cat age to human years
Calculate swimming calories by stroke and intensity
Calculate hiking calories including distance, elevation and pack weight
Daily sugar intake analysis with WHO comparison
Daily fiber intake vs recommended amount analysis
Recommend stretching routine by body area and level
Calculate yoga calories by style and duration
Calculate jump rope calories by speed and duration
Compare plank hold with age/sex norms and set goals
Evaluate upper body strength with 1-min push-up test
Evaluate core strength with 1-min sit-up test
Blood type-specific food and exercise guide
Analyze hearing habits and estimate hearing age
Predicted lung capacity and pulmonary function
Measure reaction time and evaluate by age percentile
Analyze allergy risk factors with trigger identification
Calculate body fat using US Navy circumference formula
Calculate Total Daily Energy Expenditure (TDEE) and macro split
Predict muscle growth potential by experience and calorie surplus
Calculate ideal weight using 4 formulas
SpO2 analysis with altitude correction
Assess stress level from lifestyle habits with improvement tips
Assess back pain risk from lifestyle and physical condition
Evaluate knee health score from age, BMI and injury history
Compare wrist/hand strength with sex averages
Evaluate ankle dorsiflexion mobility with wall test
Analyze sleep patterns with quality score and improvement guide
Analyze residual caffeine levels and sleep impact by hour
Optimal protein intake based on goal and activity
5-zone heart rate training with Karvonen formula
Classify blood pressure by AHA standards and assess cardiovascular risk
Calculate body water using Watson formula and daily intake recommendation
Estimate metabolic age from body composition and lifestyle
Analyze waist-hip ratio and body shape by WHO standards
Osteoporosis risk with DEXA scan recommendation
TC/LDL/HDL/TG analysis with CVD risk
Analyze skin type with personalized skincare guide
Analyze eyesight with eye health management guide
Evaluate lung health and CO2 tolerance by breath hold time
Measure left-right body balance and identify imbalances
Evaluate muscle age and sarcopenia risk by grip strength
Analyze posture balance with corrective exercise guide
Fasting glucose & HbA1c classification with scoring
Oral health assessment with gum disease detection
Norwood/Ludwig scale with prevention strategies
Gut health assessment with microbiome guide
Analyze hydration level with optimal water intake guide
Arch type analysis with plantar fasciitis detection
Test shoulder mobility with corrective exercise guide
Personalized vitamin/mineral RDA guide
Measure neck load with text neck prevention guide
5-pillar immune assessment with boost strategies
Analyze metabolism boost effects by lifestyle habits
Daily macro distribution based on your goals
Estimate joint age from mobility and pain levels
Estimate cardiovascular age and analyze heart risk factors
STOP-BANG score with sleep apnea detection
Predict baby eye color based on family genetics
Check blood type compatibility for transfusion
Analyze exercise fatigue and recovery time
Trimester-based nutrition and weight guide
GAD-7 based anxiety symptom assessment
Estimate brain age from reaction time
Estimate body flexibility age with stretching guide
8-area comprehensive mental health assessment
Productive vs passive screen time analysis
Test balance ability and assess fall risk
Calculate due date and pregnancy weeks from LMP
Voice health assessment with vocal care guide
UV exposure and sunburn risk with SPF protection analysis
Vertigo symptom analysis with type identification
Steps to calories, distance, and health benefits
Personalized meditation guide with technique recommendations
Analyze sedentary time impact on health
Liver health risk analysis with fatty liver detection
Thyroid risk with hypo/hyper detection
Lifestyle-based life expectancy estimation
eGFR calculation with CKD staging
Omega-3 EPA/DHA intake with food source guide
Diabetes risk with FBG reference and HbA1c guide
Sleep debt with social jetlag analysis
Gut health analysis with strain recommendations
5-criteria metabolic syndrome diagnostic check
Chronotype-based optimal daily schedule
Symptom-based cold vs flu differentiation
Goal-based P/C/F ratio with meal breakdown
Hour-by-hour body changes during fasting
Uric acid-based gout risk with purine food guide
Per-muscle recovery time with next training date
Goal-based optimal meal schedule design
Area/purpose-based stretching routine
Joint health with arthritis detection and protection guide
Goal-based HIIT routine with calorie estimation
Magnesium deficiency risk with food and supplement guide
Speed/terrain-based walking calories with step milestones
Progressive plank schedule with rest days
GAD-7 based anxiety screening with management tips
Na/K/Mg/Ca needs with climate adjustment
5 breathing techniques with session design
BAC estimation with sobriety time and cure guide
Dopamine overstimulation analysis with detox plan
Week-by-week pregnancy weight tracking with BMI guidelines
Lifestyle-based skin age estimation
Multi-drink alcohol units and calories
Testosterone deficiency self-check with natural boost tips
Upper body strength level with age norms
Trigger analysis with MIDAS score and management
Collagen depletion with food and supplement guide
Letter-grade nutrition scoring with category bars
Cycle phase detection with ovulation prediction
Hearing damage risk with decibel chart and 60/60 rule
8-symptom check with visual urine color chart
MBI-based burnout with interactive 3-factor scoring
Chronic inflammation analysis with anti-inflammatory foods
Vegan-adjusted zinc RDA with food ranking
Per-meal calorie and macro distribution
BPPV, Meniere, orthostatic vertigo detection
10-habit daily health checklist with progress bars
Cortisol rhythm reversal detection with adaptogen guide
LBM-based creatine dosing with timing guide
4-phase adrenal assessment with adaptogen guide
8 major allergens with symptoms and alternatives
Pelvic floor assessment with Kegel exercise plan
Burn time, SPF recommendation with skin type chart
Count words, characters, and sentences in your text instantly.
Convert text to uppercase, lowercase, title case and more.
Sort text lines in ascending or descending order.
Generate dummy text for web design and development.
Encode and decode text to Base64.
Repeat text N times.
Count lines in text.
Remove line breaks from text.
Add line numbers to each line.
Reverse text characters.
Remove duplicate lines.
Convert text to binary
Decode URL encoded text
Find and replace text.
Convert text to hexadecimal
Convert hexadecimal to text
Convert text to ASCII codes
Convert text to Unicode codepoints
Convert Unicode codepoints to text
Convert text to Morse code
Convert Morse code to text
Truncate text to specified length
Wrap text at specified width
Add indentation to text
Generate URL-friendly slugs
Extract email addresses from text
Extract URLs from text
Remove unnecessary whitespace
Remove HTML tags and extract text
Render markdown as HTML
Generate random strings
Convert text to emoji characters
Convert text to Unicode fancy fonts
Convert binary to text
Convert text to octal
Apply ROT13 transformation
Encode special characters as HTML entities
Decode HTML entities to characters
URL encode text
Analyze character/word/sentence counts
Analyze word frequency in text
Analyze reading difficulty
Split text into columns
Add line numbers
Randomly shuffle text lines
Reverse order of lines
Add prefix/suffix to each line
Join lines with delimiter
Split text by delimiter
Compare two texts and find differences
Generate MD5, SHA-1, SHA-256 hashes
Generate placeholder text
Convert text to speech
Convert Markdown to HTML
Capitalize first letter of each word
Convert text to camelCase
Convert text to kebab-case
Convert text to snake_case
Convert text to Title Case
Convert to sentence case
Remove duplicate words from text
Count occurrences of a character
Convert delimited text to table
Encode text to Base32
Decode Base32 to text
Convert image to Base64 string
Encrypt text with AES
Decrypt AES encrypted text
Convert domain names to Punycode
Escape special characters
Convert text to \uXXXX format
Reverse text horizontally
Add glitch effect to text
Convert to NATO phonetic alphabet
Convert text to Braille
Convert text to superscript
Convert text to subscript
Convert to fullwidth characters
Convert to bubble/circled characters
Convert HTML to Markdown
Convert octal to text
Sort lines alphabetically
Remove duplicate lines
Remove all empty lines
Insert line breaks at intervals
Repeat text multiple times
Add padding to text
Shift character positions
Convert text to ASCII art
Convert text to image
Convert an actual source date/time with IANA zones and DST rules.
Online timer and stopwatch.
View the current date, time, and UTC offset in selected IANA zones
Run configurable focus, short-break, and long-break intervals
Count real elapsed time to a target in the browser's local zone
Calculate days between two dates.
Add or subtract days/months/years from a date.
Find the day of week for any date.
Check if a year is a leap year.
Convert Unix timestamps to dates.
Calculate meteorological-season boundaries for a selected date and hemisphere.
Calculate business days between dates
Find the week number of a date
Count days until a specific date
Find what day your birthday falls on
Calculate difference between two dates
Generate all dates in a range
Convert real instants with IANA zones, including DST gaps and folds
Calculate difference between two times
Add or subtract hours/minutes/seconds
Convert hours to minutes/seconds
Convert minutes to hours:minutes
Calculate work hours from clock in/out
Convert between 12h and 24h format
Separate South Korea's international-age default from traditional counting age
Display a Gregorian date in the browser's Unicode East Asian lunisolar calendar
Find your zodiac sign
Find the zodiac animal from a birth date and the lunisolar New Year boundary
Load public holidays for a selected country and year from a public API
Measure elapsed time and laps from an absolute start-time anchor
Play browser audio and an optional notification while this tab remains open
Calculate time elapsed since a date
Count real remaining time to the immediately next local New Year
Compare work-hour overlap across IANA zones on an actual DST-aware date
Build sleep/wake schedule candidates from a user-selected interval and allowance
Analyze soccer player statistics
Calculate calories burned by exercise type
Convert running pace and speed
Calculate baseball batting average.
Calculate pitcher earned run average.
Calculate bowling scores.
Estimate a basic 2024 WHS index from round-specific score differentials.
Calculate running pace and splits.
Calculate key basketball statistics.
Track tennis match scores
Track volleyball match scores
Calculate swimming pace and times
Calculate cycling power in watts
Analyze football match statistics
Calculate shot percentages
Calculate OPS (OBP+SLG)
Calculate marathon split times
Estimate a VDOT-style performance value from a running result (not clinical VOโmax).
Calculate a Naismith baseline time from distance and total ascent.
Check your skiing level
Calculate darts scores
Simulate generic Elo changes with a chosen K-factor (not an official rating).
Track badminton scores
Check WBC professional boxing weigh-in limits.
Find out your public IP address instantly.
Encode or decode URLs.
Test regular expressions in real-time
Generate unique UUIDs
Add UTM parameters for marketing tracking.
Pick colors and get HEX/RGB/HSL codes
Generate text-based favicons
Visually create CSS box-shadow
Visually configure CSS border-radius
Font pairing recommendations and preview
Generate CSS gradient code
Encode and decode HTML entities.
Minify CSS code
Minify JavaScript code
Preview Markdown as rendered HTML.
Generate HTML meta tags
Generate robots.txt file
Calculate IP subnets.
Convert between HEX and RGB color codes.
Compare two texts line by line
Generate cron expressions easily.
Compare two texts side by side.
Convert CSV data to JSON
Convert JSON data to CSV
Format and beautify JSON
Format and beautify XML
Convert JSON to YAML
Convert YAML to JSON
Convert HEX, RGB, HSL color codes
Validate JSON format
Navigate JSON data paths
Display JSON array as table
Format SQL queries
Beautify HTML code
Parse cron expressions
Decode JWT tokens
Convert Unix timestamp to date
Show current IP and related info
Parse browser User Agent
Convert between bases
Convert epoch timestamps
Generate CSS box-shadow
Generate .htaccess redirects
Generate Open Graph tags
Calculate file permissions
Auto-generate JSON Schema
Generate regex patterns
Preview CSV as table
Convert tab-separated to CSV
Remove whitespace from JSON
Parse URL into components
Generate test data like names, emails
Generate custom CSV data
Generate Markdown table code
Generate SQL INSERT statements
Visually generate crontab schedule
Generate Apache htpasswd hash
Generate Nginx server block
Generate XML sitemap
Calculate file hash (SHA-256, etc.)
Generate MD5 hashes.
Generate SHA-256 hashes.
Generate SHA-1 hashes.
Generate SHA-512 hashes.
Calculate CRC32 checksums.
Generate and verify Bcrypt hashes.
Generate SHA-384 hash
Generate RIPEMD-160 hash
Generate key-based HMAC hash
Check password security strength
Generate time-based OTP
Verify file checksums
Generate QR codes from URLs and text instantly.
Read QR codes from images
Create WiFi QR code
Generate QR codes from contact info (name, phone, email, company).
Generate QR codes that open a pre-filled email when scanned.
Generate QR codes that open a pre-filled SMS when scanned.
Generate QR codes that dial a phone number when scanned.
Generate QR codes from GPS coordinates to open in maps.
Generate QR codes that add events to calendar when scanned.
Re-encode JPG, PNG, or WebP as a real WebP file and compare the output size.
Crop images to desired size.
Resize images to any dimensions quickly.
Convert images between PNG, JPEG, WebP, and BMP.
Extract color palette from images
Add text watermark to images
Apply filters and 8 presets to images
Create CSS gradients with presets
Calculate aspect ratios
Check header format, pixel dimensions, size, and ratio (not an EXIF or GPS parser)
Create pixel art with draw, erase, fill tools
Create device mockups from screenshots
Encode/decode images to Base64
Rotate and flip images with live preview
Preview color-vision differences with simplified RGB matrices (approximation, not diagnosis)
Optimal image sizes for each social platform
Calculate screen DPI/PPI pixel density
Combine multiple images into a collage
Check WCAG text-background contrast ratio
Compare two images with a slider
Mix two colors and create gradients
Extract text from images
Generate noise textures
Convert colors between formats
Add borders to images
Apply blur effects to images
Generate placeholder images for development
Extract colors from images
Split images into multiple pieces
Convert images to grayscale/sepia
Mirror and flip images
Generate palettes based on color theory
Guide to image format features and uses
Adjust image brightness, contrast and exposure
Make images sharper
Apply mosaic effect to images
Add text to images
Crop images in circle for profile photos
Invert image colors (negative)
Adjust saturation, hue and color temperature
Darken image edges vignette effect
Apply color tint or duotone effect
Blend two images with blend modes
Convert PNG images to JPG
Convert JPG images to PNG
Convert WebP images to JPG
Convert WebP images to PNG
Convert JPG images to WebP
Convert PNG images to WebP
Convert iPhone HEIC photos to JPG
Convert iPhone HEIC photos to PNG
Convert JPG images to GIF
Convert PNG images to GIF
Convert GIF images to JPG
Convert GIF images to PNG
Convert TIFF images to JPG
Convert TIFF images to PNG
Convert SVG vectors to PNG
Convert SVG vectors to JPG
Combine multiple images into one
Make similar, edge-connected background colors transparent (not AI segmentation)
Increase pixel dimensions 2x to 4x with interpolation (not AI super-resolution)
Keep a fixed center ellipse sharp and blur outside it (no subject detection)
Make pixels similar to a selected solid color transparent throughout the image
Create round profile photos
Create chart images from data
Convert WebP images to GIF
Convert JPG images to TIFF
Convert PNG images to TIFF
Convert JPG images to AVIF
Convert PNG images to AVIF
Convert WebP images to AVIF
Redraw PNG pixels as a mosaic SVG of colored rectangles (not contour vectorization)
Redraw JPG pixels as a mosaic SVG of colored rectangles (not contour vectorization)
Overlay images on top of another image
Extract main colors from images
Convert image to pixel art style
Analyze color distribution
Reduce fine color noise with classical edge-aware smoothing (not AI restoration)
Add borders to images
Platform-specific thumbnail size guide
Calculate file size from duration and video/audio bitrates
Tap to measure BPM (beats per minute)
Calculate audio frequency by note and octave
Calculate video resolution conversion info
Calculate audio file size by format
Generate YouTube video timestamps
Audio visualization types and implementation
Video aspect ratio conversion guide
Calculate bitrate from file size
Guide to video format features and uses
Guide to audio format features and uses
Extract one PNG frame at the selected timestamp
Convert video segments to GIF
Trim a selected interval to a real H.264/AAC MP4
Locally show browser-verified duration, dimensions, and file information
Validate cue times and generate SRT or WebVTT subtitle files
Calculate viewing time at different playback speeds
Guide to video codec features and uses
Create a real reversed MP4, including audio when selected
Predict file size based on encoding settings
Calculate live streaming bandwidth and data usage
Adjust quality and re-encode as H.264/AAC MP4
Remove audio from video
Change video resolution
Crop video frame
Rotate video 90ยฐ/180ยฐ/270ยฐ
Extract audio from video as MP3
Convert video to animated GIF
Convert MP4 to WebM
Convert WebM to MP4
Convert GIF animation to MP4
Extract audio as WAV
Extract audio track from video
Capture one PNG still at the selected timestamp
Repeat a video multiple times
Combine multiple videos
Overlay a local image watermark on video
Change video playback speed
Replace video audio with another file
Convert MOV video to MP4
Convert AVI video to MP4
Convert MKV video to MP4
Convert MOV to animated GIF
Extract audio from MOV
Extract audio from AVI
Extract audio from MKV
Convert video to animated WebP
Add SRT or WebVTT as a selectable MP4 subtitle track
Flip video horizontally or vertically
Adjust video brightness
Convert video to black and white
Convert M4A audio to MP3
Convert OGG audio to MP3
Convert WAV audio to MP3
Trim audio to selected range
Convert MP4 to AVI
Convert MP4 to MOV
Convert MKV to animated GIF
Convert AVI to animated GIF
Convert AVI to MOV
Convert MKV to MOV
Extract audio from WebM
Convert GIF to WebM video
Extract OGG audio from MP4
Extract WAV audio from MOV
Convert AAC to MP3
Convert FLAC to MP3
Convert M4A to WAV
Convert AAC to WAV
Convert OGG to WAV
Apply vintage sepia filter
Apply blur effect to entire video
Overlay two videos as PIP
Create a forward-reverse loop
Add fade in/out effects
Merge multiple PDF files into one
Split a PDF into multiple files
Reduce PDF file size
Convert PDF pages to JPG images
Convert JPG images to PDF
Convert PDF pages to PNG images
Convert PNG images to PDF
Rotate PDF pages
Delete specific pages from PDF
Reorder PDF pages
Add page numbers to PDF
Add watermark to PDF
Extract text from PDF
Extract images from PDF
Add password protection to PDF
Remove password from PDF
Convert PDF to text
Create PDF from text
Add text to PDF pages
Convert WebP images to PDF
Crop PDF pages to a specific area
Add electronic signature to PDF
Add drawings, shapes and notes to PDF
Convert GIF images to PDF
Convert HEIC/HEIF images to PDF
Convert TIFF images to PDF
Convert SVG vectors to PDF
Convert any image format to PDF
Convert PDF to Word document (.docx)
Convert Word document (.docx) to PDF
Convert PDF tables to Excel (.xlsx)
Convert Excel (.xlsx) to PDF
Convert PDF tables to CSV
Convert CSV to PDF table
Convert PDF to HTML
Convert HTML/webpage to PDF
Convert PDF to PowerPoint presentation
Convert PowerPoint to PDF
Convert EPUB ebook to PDF
Convert PDF to EPUB ebook
Convert PDF pages to TIFF images
Convert BMP images to PDF
Convert PDF pages to BMP images
Convert EPS vector files to PDF
Convert PDF pages to SVG vectors
Calculate electricity usage and cost
Calculate battery life duration
Convert storage units and estimate capacity
Convert between units of length, weight, volume, speed and more.
Convert between Celsius, Fahrenheit and Kelvin.
Convert cooking units like cups, tablespoons, ml.
Convert shoe sizes between countries.
Calculate fuel economy.
Calculate bra size.
Convert dog years to human years.
Convert cat years to human years.
Check your screen resolution and info
Convert between pixels and centimeters
Convert between cm and inches
Convert between kg and pounds
Convert between miles and kilometers per hour
Convert Fahrenheit and Celsius
Convert sq meters, acres, hectares etc.
Convert km/h, mph, m/s and more
Convert kg, lb, oz, g and more
Convert m, cm, in, ft and more
Convert B, KB, MB, GB, TB
Convert W, kW, kWh and more
Convert atm, bar, psi, Pa
Convert L, mL, gal, oz and more
Check A4, B5, Letter paper sizes
Measure your typing speed (WPM)
Calculate compatibility score by name
Generate random nicknames
Calculate grades with weights
Calculate grade point average
Interactive periodic table of elements
Calculate lottery winning odds
Play rock paper scissors vs computer
Play text as morse code sounds
Display time in binary format
Generate white/pink noise
Check device orientation
Measure device tilt
Play metronome at custom BPM
Guided breathing exercises
Track and record daily habits
Split bill among people
Calculate discounts and savings
Convert sqm to Korean pyeong
Estimate taxi fare
Calculate monthly electricity bill
Estimate moving costs
Calculate paint needed
Calculate tiles needed
Calculate wallpaper needed
Calculate carpet needed