Convert video formats
Change the container and codec of a video. MP4, MOV and MKV are encoded with H.264 and AAC; WebM uses the royalty-free VP9 and Opus codecs. The real codecs of your source file are read before conversion.
Drop a file here
or click to choose · MP4, MOV, WebM, MKV
Your files are processed on your device and never uploaded.
How to use this tool
- 1
Add a video file.
- 2
Choose the output format, quality and maximum resolution.
- 3
Start and download the converted video.
Supported formats
- Accepted
- MP4, MOV, WebM, MKV
- Output
- MP4, WebM, MOV, MKV
Limits
- Max. 125 MB per file
- Up to 10 minutes per file
- Your files are processed on your device and never uploaded.
Frequently asked questions
Which format is most compatible?
MP4 with H.264 plays on almost every device, browser and social network.
Why does WebM conversion take longer?
The VP9 encoder is slower than H.264 but produces efficient, royalty-free files for the web.
Are subtitles kept?
No. Only the first video track and the first audio track are converted.
Related tools
- MP4 to WebMConvert MP4 videos to WebM with VP9 video and Opus audio for websites. Choose quality and resolution. Free, no watermark.
- Compress videoReduce video file size with H.264 and choose quality and maximum resolution. Supports MP4, MOV, WebM and MKV up to 10 minutes. Free, no watermark.
- Trim videoCut a video to the part you need by entering start and end time. Supports MP4, MOV, WebM and MKV. Free, no watermark.