Convert MKV to MP4
Select Files
Audio, Video and Image supported. Drag or click
Convert MKV files to MP4 online for free. Powered by WebAssembly technology, all processing happens on your device — nothing is uploaded.
How It Works
Select MKV Files
Choose files from your computer. Batch conversion is supported — add as many as you need.
Customize Output
Pick your preferred quality level for the MP4 conversion.
Save Your Files
Download individual files or all at once. Everything is processed locally.
About These Formats
MKV offers great quality but limited device support. Converting to MP4 ensures playback on smartphones, TVs, and web browsers.
Frequently Asked Questions
How do I convert MKV to MP4?expand_more
Upload your files, confirm the conversion settings, and download your converted files. All processing happens in your browser — no server upload required.
Is this MKV to MP4 converter free?expand_more
Yes, completely free with no hidden fees. No sign-up required, no usage limits. All conversion happens in your browser.
Is it safe to convert MKV to MP4 online?expand_more
Your files never leave your device. All conversion happens locally in your browser using WebAssembly technology. We have zero access to your files.
Will I lose quality converting MKV to MP4?expand_more
Quality depends on the target format and your settings. Lossless formats like PNG preserve original quality. For lossy formats like JPG, you can adjust the quality slider.
Can I convert multiple MKV files at once?expand_more
Yes, you can convert multiple files at once. Simply drag all your files into the upload area or click to select them.