Video merger

Join several videos into one real MP4 file, processed in your browser.

Choose 2 or more videos (in order)

Joined in your browser with ffmpeg into a real MP4 (stream copy when all inputs share a codec, otherwise re-encoded). Nothing is uploaded. If the engine cannot load, the page falls back to a browser re-recording and says so plainly.

How to use Video merger

Enter your details in the tool above and press the main button to get your result. You can copy text results or download file results. Most tools work entirely in your browser, so your files and inputs are not uploaded anywhere, except where the tool page names a public API it calls.

Related tools: Video compressor, Video to MP4 converter, Video to GIF, GIF to MP4.