AnyConvert

Convert MKV to MP4 Online

Free, easy-to-use MKV to MP4 converter. Transform your Matroska video files to the universally compatible MP4 format.

MKV to MP4 Converter

Convert your MKV files to MP4 format quickly and easily. Upload your file and download the result.

Max file size: 50MB

Why Convert MKV to MP4?

MKV (Matroska Video) is an open-standard video container format that can hold unlimited video, audio, picture, or subtitle tracks in a single file. While MKV offers excellent flexibility for high-quality video and multiple audio tracks, it has compatibility issues with many devices and platforms. Converting to MP4 ensures broader compatibility while maintaining high video quality.

Benefits of Converting MKV to MP4

  • Universal compatibility - MP4 works on virtually all devices and platforms.
  • Apple device support - MP4 is fully supported on iOS and macOS.
  • Gaming console compatibility - MP4 works with PlayStation, Xbox, and other media players.
  • Streaming services support - Most online platforms prefer MP4.
  • Simpler file structure - MP4 is more straightforward for most applications.

How to Convert MKV to MP4 Using Our Tool

  1. Upload your MKV video file using the upload button or drag and drop functionality.
  2. Our converter will automatically select MP4 as the output format.
  3. Optionally, set start/end times if you want to trim the video.
  4. Optionally, adjust the output FPS (frames per second) if needed.
  5. Solve the simple captcha to verify you're human.
  6. Click "Convert MKV to MP4" to start the conversion.
  7. Once conversion is complete, download your new MP4 file.

About MKV and MP4 Format Differences

FeatureMKVMP4
Developed byMatroska (open standard)MPEG (standardized)
Multiple Audio/Subtitle TracksExcellent supportLimited support
Device CompatibilityLimitedUniversal
Codec SupportNearly unlimitedGood, but more restricted
Chapter SupportExcellentLimited
Best ForStorage, archiving, flexibilityUniversal playback, sharing

Our MKV to MP4 converter is optimized to maintain the highest possible video quality while ensuring broad compatibility. The conversion process preserves the main video and audio tracks from your MKV file. While some advanced features like multiple subtitle tracks might not transfer perfectly (as MP4 has more limited support for these features), the core video and audio quality remains intact.

MKV is often preferred by video enthusiasts for storing high-definition content with multiple audio tracks and subtitles. However, when you need to share these videos or play them on devices like smart TVs, gaming consoles, or mobile devices, converting to MP4 ensures the widest possible compatibility without significant quality loss.

Frequently Asked Questions

Will I lose quality when converting from MKV to MP4?

Our converter is designed to maintain high quality during conversion. MKV and MP4 are both just container formats - the actual video quality depends on the codecs used inside the container. In most cases, our converter can transfer the video and audio streams without re-encoding, which means there's no quality loss at all. When re-encoding is necessary, we use high-quality settings to minimize any perceptible difference.

What happens to subtitles in my MKV file?

Our basic converter transfers the primary subtitle track if available. MKV files can contain multiple subtitle tracks in various formats, while MP4 has more limited subtitle support. If you have a MKV file with complex subtitle requirements, you might want to consider using specialized video editing software for more advanced subtitle handling.

Why is MKV not playing on my TV or other devices?

Many TVs, media players, and mobile devices don't natively support MKV files or have limited support. While MKV is an excellent format for storing high-quality video with multiple tracks, MP4 is much more universally supported by consumer electronics. Converting your MKV files to MP4 is the most reliable way to ensure playback compatibility across all your devices.