🎬 Video Converters
Convert video files between formats in your browser. MP4, WebM, MOV, AVI and more. No uploads required.
All conversions happen directly in your browser using WebAssembly. Your files are never uploaded to any server. First-time load requires downloading ~25 MB (cached automatically for future use).
MP4 to WebM Converter
Convert MP4 video files to WebM format online. WebM is optimized for the web.
WebM to MP4 Converter
Convert WebM video files to MP4 format online for universal device compatibility.
MOV to MP4 Converter
Convert Apple QuickTime MOV files to MP4 format online. Works on any device.
AVI to MP4 Converter
Convert AVI video files to MP4 format online. MP4 is smaller and more compatible.
MP4 to GIF Converter
Convert MP4 video clips to animated GIF online. Perfect for social media and messaging.
Merge Video and Audio
Add or replace audio in a video file online. Merge any video with any audio track. No upload needed.