Free In-Browser Video Converter (100% Private, No Upload)
Convert MP4, WebM, MOV, AVI, MKV, FLV, and WMV video formats locally. Extract MP3 audio, create animated GIFs, and transcode without server queues.
Preparing in-browser converter...
All Video Converters
Select a conversion pair below to launch the pre-configured converter tool.
MP4 Converters
LossyMPEG-4 Part 14 Video Container — Web video streaming
WebM Converters
LossyWebM Open Media Video — HTML5 web video playback
MOV Converters
LossyApple QuickTime Movie — Apple iPhone video recording
AVI Converters
LossyAudio Video Interleave — Legacy desktop video archives
MKV Converters
LossyMatroska Multimedia Container — HD/4K movie archiving
FLV Converters
LossyFlash Video — Legacy web video archives
WMV Converters
LossyWindows Media Video — Windows presentation embeds
Why MixConvert is Safer Than Other Video Converters
Zero server uploads, zero temporary cloud files, 100% device confidentiality.
Unlike traditional online converters that upload your confidential video files to external cloud servers where they may linger in unencrypted temporary buckets, MixConvert runs compiled WebAssembly (WASM) and Web Workers locally in your device's memory sandbox. Your sensitive data never leaves your hardware.