Video Converter (MP4, WebM, MP3, GIF)
True in-browser video converter powered by WebAssembly FFmpeg. Transcode MKV, MOV, WebM, and AVI files to universally compatible MP4 (H.264/AAC), convert to WebM (VP9/Opus), extract audio as MP3, or create animated GIFs with custom FPS and width. No uploads, no watermarks, no signup — the conversion engine downloads once (~30MB) and runs 100% locally on your device.
Choose Video to Convert
Convert between MP4, WebM, MP3, and GIF with a real FFmpeg engine running 100% inside your browser. No uploads, complete privacy.
Select Video FileHow to Use Video Converter (MP4, WebM, MP3, GIF)
Input & Parameters
Select an MKV, MOV, MP4, WebM, or AVI video file from your device.
Automatic Calculation
Pick MP4, WebM, MP3 audio, or animated GIF and adjust quality options.
Review & Copy
Click Convert and watch live progress, then preview and save the converted file.
Frequently Asked Questions
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