MKV to MP4
Upload a MKV file and download it as MP4. Free to start.
- Sent over HTTPS · link expires in 24 h
How it works
- Step 1:
Drop the MKV file on the orange block above, or press “Choose MKV”.
- Step 2:
Press “Convert to MP4”. The block shows the progress while the server converts the file.
- Step 3:
Press “Download” to save the MP4 file. On Free the link works for 24 hours.
How MKV to MP4 conversion works
Matroska Video (MKV) stores video, audio, subtitles, and chapters in an open-standard container that supports virtually every codec. MPEG-4 Part 14 Video (MP4) packages H.264 or H.265 video with AAC audio in a container format widely supported across every platform and device. This conversion changes the file's encoding, compression method, and supported feature set. When the source codecs already match the target container the streams are copied without re-encoding (zero quality loss); otherwise the video is re-encoded at a configurable quality. The result is a standard MP4 file readable by any compatible application. 1converter handles MKV-to-MP4 conversion server-side: files are uploaded over HTTPS, processed on isolated cloud infrastructure, and the converted output is available for download for 24 hours before automatic deletion. No account is required for standard conversions.
Sources and specifications
Quality levels for MKV → MP4
| Level | File size | Speed |
|---|---|---|
| Low qualitySmallest file, basic quality | Very small | Very fast |
| Medium qualityRecommendedBalanced size and quality | Medium | Fast |
| High qualityLarger file, great quality | Large | Moderate |
| Maximum qualityLargest file, best possible quality | Very large | Slow |
Video Tip: Medium quality is ideal for web streaming. Use High or Maximum for videos you plan to edit further or archive.
When to convert
What the MP4 file is good for and why people convert to it.
- Universal compatibilityPlay on any device
- Better streamingOptimized for online video
- Playing videos on iPhone/iPad
- Uploading to YouTube, Vimeo
Where your file goes
- It travels to our server over an encrypted HTTPS connection and is converted there.
- The MP4 file comes back as a private link. It stops working after 24 hours on Free and 7 days on paid plans, and then the files are deleted.