Free Video Compressor Online
A privacy-first, browser-native video compression tool that processes files entirely client-side using modern WebAssembly and WebCodecs technologies. Unlike traditional cloud-based compressors, all processing happens locally on the user's device, ensuring complete data privacy and instant processing speeds.
Key Features
- 100% Free Forever: No subscriptions, paywalls, or usage limits
- Complete Privacy: Files never leave your device - processing happens locally
- Lossless Compression: Smart bitrate and resolution optimization maintains quality
- Multiple Format Support: MP4, MOV, AVI, MKV, WebM (max 500MB files)
- WebAssembly Acceleration: Fast processing even on mid-range devices
- No Installation Required: Works directly in any modern browser
- Cross-Platform: Compatible with Windows, Mac, Linux, Android, iOS
Target Users
- Content creators needing to compress videos for social media
- Web developers optimizing video content for websites
- Students and educators compressing lecture recordings
- Business professionals preparing videos for presentations
- Anyone needing to reduce video file sizes without quality loss
Technical Architecture
Built with a privacy-first approach using client-side computation through WebAssembly, ensuring zero data exposure and unlimited usage without server dependencies.

