Video Converter
Free online video converter. Convert MP4, WebM, MOV, MKV, AVI and more right in your browser — no upload, no watermark, no signup. Your video never leaves your device.
🔒 100% private — your file is processed in your browser and never uploaded. The first run loads the converter engine (~30 MB), then it’s instant.
Convert video formats in your browser — no upload
DrawnColor’s video converter changes your clip between MP4, WebM, MOV and MKV using ffmpeg compiled to WebAssembly, which runs entirely on your device. That means no upload, no watermark, and no file-size limits from us — your video stays private.
Which format should I pick?
Choose MP4 (H.264) for the widest compatibility — phones, social media and editors all accept it. Pick WebM for websites, or MKV/MOV when a specific app needs them.
Is there a size limit?
There’s no limit from us, but because the work happens in your browser, very large videos take longer and use more memory. For big files, keep your browser tab in focus while it processes.
Frequently asked questions
Are my files uploaded to a server?⌄
No. DrawnColor processes your file entirely in your browser using ffmpeg compiled to WebAssembly, so your file never leaves your device. There are no upload limits from us and nothing is stored.
Which video formats can I convert?⌄
You can convert between MP4 (H.264), WebM, MKV and MOV. MP4 is the most widely compatible choice for phones, social media and editors.
Is there a file size limit?⌄
There is no limit from us. Because the work runs in your browser, very large videos just take longer and use more memory, so keep the tab in focus while it processes.
Why is the first conversion slower?⌄
The first run downloads the conversion engine (about 30 MB) into your browser. After that it is cached, so further conversions start instantly.
Have another question? Get in touch.