Free Video Compressor
Reduce video file size by up to 85% right in your browser. No uploads, no accounts, 100% private.
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Compression presets
Choose the right balance between file size and quality.
Light
Minimal quality loss
Medium
Good balance of size & quality
Heavy
Maximum compression
How it works
Select Your Video
Drag and drop or browse to choose any video file from your device.
Choose Compression Level
Pick a quality preset and optional resolution. See estimated output size before compressing.
Download Compressed Video
Compression runs in your browser. Download the smaller file instantly — no email, no account.
Why compress in your browser?
No servers, no uploads, no waiting.
No Upload Required
Your files stay on your device. Zero bytes are sent to any server.
Hardware Accelerated
Uses your device's built-in video hardware via WebCodecs for fast, efficient compression.
100% Private
No data leaves your browser. Processing happens locally on your machine.
Works Offline
After the initial engine load, compression works without internet.
Frequently asked questions
Need to change format instead?
The Video Converter tool remuxes between MP4, WebM, MKV, and MOV instantly — no re-encoding needed.