Compress Video

Adjust quality and re-encode as H.264/AAC MP4

Your files never leave this device

Selected files and results are processed only in browser memory and FFmpeg’s virtual filesystem.

On the first run, the FFmpeg engine (about 31MB) is downloaded from a CDN. Your media is never part of that request; later visits may use the browser cache.

VideoChoose fileAccepted: .mp4, .mov, .m4v, .avi, .mkv, .webm · Per-file limit: 100.0 MB

Options

Quality (lower is larger/better): 28

ℹ️ Adjust quality and re-encode as H.264/AAC MP4

ℹ️ Compress Video

Adjust quality and re-encode as H.264/AAC MP4

Verify results with an authoritative source before using them for important medical, legal, or financial decisions.