ToolVideo Compressor
Reduce video file size — processed locally with FFmpeg.
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How to compress a video online
- Upload an MP4 (or supported) video.
- Choose a compression / quality preset.
- Download the smaller file when processing finishes.
Frequently asked questions
Is my video uploaded to a server?
No. Compression uses client-side processing (FFmpeg.wasm-style) in your browser.
Will quality drop?
Lower size usually means some quality loss. Try a milder preset if you need sharper output.
Is it free?
Yes — free, no signup.
What about very large files?
Large videos need enough device memory. If the tab crashes, try a shorter clip or a stronger device.