Convert videos into formats that work better with devices, apps, or upload targets.
Private local processing
Video Format Conversion
Convert videos to the format you need. Change MKV to MP4 for compatibility, or MP4 to WebM for the web. Supports ProRes import and DTS audio tracks in MKV output. Fast, free, and private video conversion powered by WebAssembly.
What this video converter does
This tool helps you convert video files into another format directly in your browser. It is useful when a video is not compatible with a device, app, editing workflow, social platform, or upload requirement. Supports Apple ProRes import for professional video workflows, and can output MKV files with DTS audio tracks for home theater use.
How to convert a video
- 1.Upload your video file (MP4, WebM, MOV, MKV, ProRes, etc.)
- 2.Choose the target format (MP4, WebM, MOV, or MKV with DTS audio)
- 3.Adjust video codec, audio codec, bitrate, or sample rate if needed
- 4.Start the conversion in your browser
- 5.Download the converted file
Why use this online video converter
Your files stay in the browser, which helps protect privacy during conversion.
Use simple format conversion or refine output with codec and audio options.
Import professional Apple ProRes footage and convert to web-friendly formats like MP4.
Convert between MP4, WebM, MOV, and MKV containers
Choose video codec (H.264, H.265, VP8, VP9, AV1) and audio codec (AAC, Opus, MP3, Vorbis, DTS)
Set custom video and audio bitrate for quality control
Optionally resample audio to fit target output needs
All conversion runs locally in your browser
Supports batch conversion for multiple video files
Video converter FAQ
Which video formats can I convert?
You can convert between MP4, WebM, MOV, and MKV containers. Input supports MP4, WebM, MOV, MKV, and Apple ProRes encoded files. MKV output supports DTS audio tracks for home theater compatibility.
Will converting video affect quality?
Video conversion can affect quality depending on the target format, codec, and output settings. This tool is designed to provide practical format conversion with clear export options.
Are my files uploaded during conversion?
No. Video conversion is processed locally in your browser, so your files stay on your device instead of being uploaded to a remote server.
Which video and audio codecs are supported?
Output supports H.264, H.265, VP8, VP9, AV1 for video, and AAC, Opus, MP3, Vorbis, DTS for audio. DTS encoding is available for MKV output. Input can also decode Apple ProRes.