Video Compressor
Compress videos right in your browser. No upload, no watermark, no size limits.
🔒 100% private — runs in your browser⚡ Free forever🎯 No watermark
About this tool
Compress MP4, WebM and more online — shrink file size up to 90% with one click.
Unlike most online tools, Video Compressor never uploads your files. Everything is processed locally on your device using modern browser APIs — your videos, audio and images stay private, and there are no file-size limits or queues.
Frequently asked questions
Yes — everything runs in your browser. There's no upload, no account, no watermark and no file-size limit.
At CRF 24–26 the difference is nearly invisible on normal screens. At CRF 28–32 files get much smaller but artifacts appear in fast motion.
No. The ffmpeg engine runs locally on your device. Your file never leaves your computer.
Guides for Video Compressor
Step-by-step tutorials & format comparisons.
How to compress a video without losing quality (2026)
Video · 6 min readMP4 vs WebM: which video format should you use?
Video · 5 min readHow to compress a video for WhatsApp without losing quality
Video · 4 min readVideo formats 101: MP4, MOV, AVI, WebM explained
Video · 5 min readHow to record your screen and compress the result
Video · 4 min readMore tools
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