Free Online Video Converter
Convert video files to any format. MP4, WebM, MOV, MKV, and more.
Private & Secure - Files never leave your device
How it works
Upload video
Select or drag your video file. We support MP4, MOV, MKV, WebM, and more.
Choose format
Select your target format. We automatically pick the best codecs for quality.
Convert & Download
Process your file and download the converted video instantly.
Why choose our video converter?
100% Private
All conversions happen in your browser. Your files never get uploaded to any server.
Fast processing
Convert directly in your browser. No waiting for uploads or downloads.
Smart conversion
Automatically uses fast transmuxing when possible, or re-encodes when needed.
Common use cases
MP4 for universal compatibility
Convert videos to MP4 for broad compatibility across devices, social media platforms, and video players.
WebM for web optimization
Optimize videos for websites with WebM format. Good balance of file size and quality for web streaming.
MOV for Apple ecosystem
Convert to MOV format for better compatibility with Apple devices and professional video editing software.
Supported Video Conversions
| Input Formats | Output Formats | Best Used For |
|---|---|---|
| MP4, MOV, MKV, WebM, M4V | MP4 | Universal compatibility (iPhone, Android, Windows, Mac, Web) |
| MP4, MOV, MKV, M4V | WebM | Modern web streaming, smaller file sizes |
| MP4, WebM, MOV, MKV | MKV | Flexible container, supports all codecs |
| MP4, WebM, MKV, M4V | MOV | Apple ecosystem, professional editing |
Tips for Best Results
MP4 is Safest
If you aren't sure which format to pick, choose MP4. It works on almost every device and platform.
Resolution Matters
Converting a low-quality video to a high-quality format won't improve the picture, but it might increase file size.
Use Smart Mode
The Smart quality setting automatically uses fast copy mode when possible, or re-encodes when needed for compatibility.
Browser Capabilities
Since we use your browser for conversion, very large files might require a powerful computer.
Frequently Asked Questions
Supported Formats
Inputs
MP4, M4V, MOV, MKV, WebM, AVI, MPEG, and more
Outputs
MP4, WebM, MKV, MOV, MPEG-TS