Video Converter
Convert videos to MP4, WebM, MOV, MKV or AVI. MP4 and MOV changes are instant when no re-encoding is needed.
Processed in your browser: your files are never uploaded.
The video engine (FFmpeg) downloads once, about 31 MB, and then works offline in this tab. Processing runs on your own device, so long or 4K videos can take a while; keep the tab open until it finishes.
Video Converter
Convert a video into the format a device, editor or website needs. MP4 with H.264 plays everywhere; WebM is made for the web; MOV suits Apple software; MKV and AVI are for older players and specific editors. When your video is already H.264, a change to MP4, MOV or MKV only rewrites the container, so it finishes in seconds with no loss of quality.
How to use Video Converter
- Choose a video file.
- Pick the format you want.
- Click Convert video.
- Watch the result and download it.
When it comes in handy
- Turning iPhone MOV or MKV files into MP4 for Windows, Android or a website.
- Making a WebM for the web.
- Converting old AVI, WMV or FLV videos to a modern format.
Frequently asked questions
- Why was my conversion instant?
- Your video was already in H.264, so only the file wrapper changed and the picture was copied as it is. That also means there is no quality loss.
- Why does it take a while?
- Everything is processed on your own computer or phone instead of a server. Short clips take seconds; long or 4K videos can take several minutes. Keep the tab open until it finishes.
- Are my files uploaded?
- No. The video engine runs in your browser, so your files stay on your device. Only the engine itself (FFmpeg, about 31 MB) is downloaded, once.