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The Most Private Video Converter
FFmpeg.guru processes your files entirely in your browser. Using cutting-edge WebAssembly technology, we bring the power of FFmpeg directly to your device without ever uploading your videos anywhere.
100% Private
Your videos never leave your device. All processing happens locally in your browser.
Lightning Fast
No upload time means instant processing. WebAssembly delivers near-native performance.
Always Free
No hidden costs, premium tiers, or limitations. Full functionality available to everyone.
How It Works
Select Your Video
Choose any video file from your device. We support all major formats including MP4, AVI, MOV, and more.
Choose Output Format
Pick your desired output format and quality settings. Advanced options available for power users.
Download Result
Your converted video is processed locally and ready for download. No waiting, no queues.
Supported Video Formats
Input Formats
Output Formats
Why Choose FFmpeg.guru?
No File Size Limits
Process videos of any size, limited only by your device's capabilities.
Works Offline
Progressive Web App technology enables offline video processing.
Professional Quality
Powered by FFmpeg, the industry standard for video processing.
Advanced Features
Frame interpolation, noise reduction, and professional-grade filters.
Cross-Platform
Works on any device with a modern browser - desktop, mobile, tablet.
No Registration
Start converting immediately without creating accounts or providing personal information.