Converter
Video to MP4 Converter
Convert Video to MP4 locally in your browser. Transcode video to H.264/AAC MP4 locally.
1Private — files stay local
Add video
MP4, MOV, WebM, MKV, AVI — up to 2 GB per file.
Drop video files or browse
Drag & drop a video file to start.
No files selected yet.
Video transcoding runs via WebAssembly locally. Large files may take a while.
2
Output format & settings
VideoMP4
Transcode video to H.264/AAC MP4.
Large files are slow in WebAssembly and must stay under 2GB.
Frequently asked questions
Quick answers about converting Video to MP4 in your browser.
How do I convert Video to MP4?
Add your Video file to the converter, start the conversion, and download the MP4 file. Everything runs in your browser.
Is the Video to MP4 converter free?
Yes. The Video to MP4 converter is completely free with no sign-up, no watermarks, and no file count limits.
Are my files uploaded to a server?
No. Your files are read and converted locally in your browser, so they never leave your device.
What devices and browsers are supported?
It works in any modern browser on desktop, laptop, tablet, or phone — there is nothing to install.
Are there any limitations?
Large files are slow in WebAssembly and must stay under 2GB.