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Video Compressor
Smaller MP4 file, quality preserved
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Drag & drop your files
or click the button below
Accepted: MP4, WEBM, MOV, AVI, MKV
⚡ How it works: Compression runs in your browser using FFmpeg WebAssembly. First use downloads ~30MB engine (cached after that). Best for files under 200MB.
Note: Processing is done in your browser. No files uploaded to servers. For large files, use HandBrake (free desktop app).
How to use Video Compressor
- 1Upload or drop your video file (MP4, WebM, etc)
- 2Choose compression level (Balanced is recommended)
- 3Optionally reduce resolution for more compression
- 4Click Compress - processing happens in your browser
- 5Download your compressed video instantly
Tips & Best Practices
- •Most videos can be reduced to 40-60% without visible quality loss
- •Lower resolution = better compression
- •Processing time depends on file size and your computer
- •All processing is local - never uploaded to any server
Frequently Asked Questions
How much will my video compress?
Typically 40-60% reduction. Depends on original quality and resolution.
Will the quality be affected?
At balanced settings, quality loss is minimal. You can adjust the slider for your preference.
Privacy: All processing happens in your browser. Your files never leave your device or are uploaded to any server.
ZapFiles is free thanks to advertising · No account needed · Files processed locally