MKV or MP4: What is the Best Video Format?

Enjoy unmatched video quality with MKV format support on Smart TVs, and explore Easy EMI options with Bajaj Finserv.
3 min
16-June-2025

From binge-watching your favourite series to streaming videos online, the type of video file format you choose can make a big difference. Whether you want higher quality for your home theatre setup or smoother compatibility on your Smart TV, the right format matters. That is where MKV and MP4 come in.

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MKV format: History and goals

The MKV (Matroska Video) format was developed in 2002 with the aim to become a flexible, open-source multimedia container. It was designed to store a wide range of media features within a single file.

  • Supports multiple audio tracks, subtitles, chapters, and video streams

  • Encourages long-term preservation of high-quality video

  • Built with future-proofing in mind for evolving media needs

  • Created to be freely available without licensing restrictions

Why is MKV called Matroska

The name “Matroska” comes from the Russian word for nesting dolls – Matryoshka. Just like the dolls hold smaller dolls inside them, an MKV file can store many media elements within one container.

This includes multiple audio tracks, video files, and subtitles, all packaged neatly together. The idea was to create an all-in-one solution for high-quality video storage without losing data or compatibility.

MKV file format technical deep dive

MKV is a multimedia container format, not a compression format. This means it can hold different types of encoded video, audio, and subtitle streams.

  • Video Codecs: Compatible with H.264, H.265, VP9, and more

  • Audio Codecs: Supports AAC, MP3, AC3, DTS, FLAC

  • Subtitles: Embedded support for SRT, ASS, and VobSub

  • Metadata: Stores chapters, menus, and tags for better navigation

This makes MKV ideal for users who need more control over media content, editing, or archiving.

Understanding MKV and MP4: Key differences

MKV and MP4 are widely used video file formats, but they serve different purposes. MKV (Matroska Video) is an open-source format that supports multiple audio, video, and subtitle tracks, making it ideal for high-quality video storage and playback on a TV.

On the other hand, MP4 (MPEG4 Part 14) is a more universally accepted format that balances quality and file size while ensuring compatibility with most media players, devices, and TVs.

Differences between MKV and MP4

Aspect

MKV

MP4

What it means for you

Compatibility

Limited compatibility, requires specific media players

Works on almost all devices and media players

MP4 is easier to play on most devices

File size

Generally larger due to high-quality storage

Smaller size with efficient compression

MKV offers more detail, MP4 saves space

Video quality

Supports high-resolution videos without compression loss

Good quality with optimised compression for streaming

Choose MKV for clarity, MP4 for convenience

Audio and subtitles

Supports multiple audio tracks and subtitles in a single file

Limited support for multiple audio and subtitle tracks

MKV is ideal for multilingual content

Best use case

Ideal for high-quality movie storage and archiving

Preferred for streaming, sharing, and playback on various devices

Use MKV at home, MP4 on the go

Streaming support

Not widely supported for online streaming

Widely used for streaming due to better compression and compatibility

MP4 works better with YouTube, OTT platforms

Editing and conversion

Retains more data, making it ideal for professional editing

Easier to edit and convert due to universal format support

Use MKV for editing, MP4 for sharing

Why convert MKV to MP4

Converting MKV to MP4 is beneficial when seamless playback and compatibility are priorities. MP4 files work across various devices without requiring additional codecs or software.

This makes them a more practical choice for users who want to watch their favourite content without worrying about format restrictions.

Benefits of converting to MP4

Before playing videos on a Smart TV or portable device, converting to MP4 may offer these key benefits:

  • Wider compatibility: Works on almost any media player or Smart TV

  • Easier sharing and streaming: Platforms like YouTube and WhatsApp prefer MP4

  • Reduced storage requirements: Takes up less space with minimal loss in quality

  • Improved accessibility: Transfer and play videos without extra software

Step-by-step guide to converting files

Converting MKV to MP4 is easy and quick. Follow these steps:

  1. Choose a reliable converter: Tools like VLC Media Player or HandBrake work well

  2. Load the MKV file: Import your video into the tool

  3. Select MP4 as the output format: Choose MP4 to ensure maximum compatibility

  4. Customise settings if needed: Set your desired resolution, audio track, or subtitles

  5. Start the conversion: Begin the process and wait for it to complete

  6. Save and test the file: Play it on different devices, including your Smart TV, to confirm

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Frequently asked questions

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What is the difference between MKV and MP4?
MKV and MP4 are both popular video formats but serve different purposes. MKV supports multiple audio tracks, subtitles, and higher-quality video, making it ideal for archiving. MP4, however, is more widely compatible, offering better compression for smaller file sizes. MP4 is commonly used for streaming and playback on various devices, whereas MKV is preferred for high-quality storage.

Which format offers better video quality?
MKV generally provides better video quality since it supports higher bitrates, multiple audio tracks, and lossless compression. It retains more detail, making it ideal for storing high-resolution movies. MP4, while offering good quality, focuses more on compression and compatibility, which may slightly reduce video quality but ensures smooth playback across different devices and platforms.

Are MKV files compatible with all devices?
MKV files are not universally compatible with all devices. While they work well with specialised media players like VLC and certain smart TVs, many standard devices, including smartphones and older systems, may struggle to play them without additional codecs. MP4, on the other hand, is widely supported across all operating systems, making it the more accessible format.

Which format is better for streaming?
MP4 is the better choice for streaming because of its efficient compression and broad compatibility. Streaming platforms like YouTube and Netflix prefer MP4 since it requires less bandwidth while maintaining good quality. MKV files, being larger and less optimised for streaming, are better suited for offline viewing, especially when preserving high-resolution videos and multiple audio tracks.

What is the difference between MKV and MP4?
MKV and MP4 are both popular video formats but serve different purposes. MKV supports multiple audio tracks, subtitles, and higher-quality video, making it ideal for archiving. MP4, however, is more widely compatible, offering better compression for smaller file sizes. MP4 is commonly used for streaming and playback on various devices, whereas MKV is preferred for high-quality storage.

Does MKV reduce quality?

No, MKV does not reduce video quality. It is a container format that preserves the original quality of video, audio, and subtitles.

Should I keep MKV or MP4?

Keep MKV if you want high-quality video with advanced features. Choose MP4 for better compatibility across devices and easier sharing.

What are the disadvantages of MKV?

MKV files may not play on all devices without extra software, take up more storage space, and are not ideal for online streaming.

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