How to Convert MP4 to MKV Without Losing Quality

Published: January 17, 2024 Updated: January 17, 2024 Category: Video Conversion
MP4 to MKV conversion

Converting MP4 to MKV is a common task for video enthusiasts and professionals who need more flexibility in their video files. Whether you want to add multiple audio tracks, include subtitles, or simply preserve the highest possible quality, MKV (Matroska) format offers excellent capabilities.

In this comprehensive guide, we'll walk you through the process of converting MP4 to MKV online using FileTransform.Cloud's free tools. We'll also explain the technical differences between these formats and help you understand when to use each one.

Why Convert MP4 to MKV?

There are several compelling reasons to convert MP4 to MKV format:

  • Multiple Audio Tracks: MKV can hold multiple audio streams in different languages
  • Subtitle Support: Include multiple subtitle tracks within the same file
  • Chapter Markers: Add chapter points for easy navigation
  • Lossless Conversion: Preserve original video quality without re-encoding
  • Open Source: MKV is free and open, with no licensing restrictions

MP4 vs MKV: Understanding the Differences

While both MP4 and MKV are container formats (they hold video, audio, and other data), they have significant differences:

Feature MP4 MKV
Container Type MPEG-4 Part 14 Matroska
Multiple Audio Limited (usually 1-2) Unlimited
Subtitles Limited support Full support
Chapter Support Limited Full support
Device Compatibility Excellent Variable
Open Source Patent-encumbered Free & Open
Streaming Better for streaming Better for local playback

Step-by-Step: How to Convert MP4 to MKV Online

1 Upload Your MP4 File

Visit the MP4 to MKV converter page. Click "Choose File" or drag and drop your MP4 video. Our tool supports files up to 500MB.

2 Select Output Format

Ensure MKV is selected as the output format. You can also choose additional options like keeping multiple audio tracks if your source file has them.

3 Convert Your Video

Click the "Convert" button to start the conversion process. Most videos convert within minutes depending on file size.

4 Download Your MKV File

Once conversion is complete, download your new MKV file. The file will maintain the original quality of your source MP4.

Tips for Quality Preservation

1. Use Lossless Conversion

When converting MP4 to MKV, choose the lossless option to preserve original video and audio quality without any re-encoding.

2. Keep Original Codecs

Since MKV is a container format, you can keep the original H.264/H.265 video codec and AAC/FLAC audio without conversion.

3. Check File Size

Lossless conversion should result in a file size very similar to the original. If the output is significantly smaller, quality may have been lost.

Ready to Convert Your Videos?

Start converting your MP4 files to MKV with our free online tool. No registration required, fast processing, and secure file handling.

Convert MP4 to MKV Now

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Frequently Asked Questions

Does converting MP4 to MKV lose quality?
No, when done correctly, converting MP4 to MKV is a lossless process. MKV (Matroska) is a container format that can hold multiple video and audio streams without re-encoding, preserving original quality. However, if you choose to re-encode, quality may be affected depending on settings.
What are the advantages of MKV over MP4?
MKV offers several advantages: support for multiple audio tracks and subtitles, better streaming support, open-source format, better error recovery, and the ability to hold almost any codec. MP4 is more widely supported by devices but has limitations on multiple streams.
Can I convert MKV back to MP4?
Yes, you can easily convert MKV back to MP4 using our online converter. The process is reversible, and you can maintain quality by using lossless conversion settings.
Which devices support MKV files?
MKV support varies by device. Most modern smart TVs, computers, and smartphones can play MKV files with appropriate players. Some older devices and gaming consoles may require conversion to MP4 for compatibility.
Is MKV better than MP4 for storing movies?
MKV is often better for storing movies because it can contain multiple audio tracks (different languages), subtitles, and chapter markers in a single file. MP4 is better for streaming and web use due to broader device compatibility.

Conclusion

Converting MP4 to MKV is an excellent way to gain more flexibility in your video files. Whether you need multiple language tracks, subtitle support, or simply want to preserve the highest quality, MKV format delivers. With our free online converter, the process is simple, fast, and doesn't require any software installation.

Try converting your videos today and experience the benefits of the Matroska format!