MKV is a high-quality container loved by archivists, but most phones, browsers and social platforms refuse to play it. Converting MKV to MP4 keeps the quality while making the file universally compatible. Upload your MKV and download a ready-to-share MP4 — free, no sign-up.
Upload your MKV file
Click “Convert to MP4” and let it process
Download your new MP4 — ready to share or edit
Upload your MKV file, click “Convert to MP4”, and download the result. It happens in your browser in seconds — no software needed.
Yes, it's completely free. There's no watermark and no sign-up required to convert your MKV to MP4.
No — the converter preserves your video's quality while changing the format to MP4, which is widely supported across devices and apps.
Your file is only used to perform the conversion and is never shared. For sensitive content, you stay in control the whole time.
Free, fast tools to compress, convert, trim and clean up your videos — no sign-up.