MKV to FLAC

Convert your video files quickly and easily with our professional online converter

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Input Format

What is MKV?

MKV (Matroska Video) is an open, free container format that can hold an unlimited number of video, audio, picture, or subtitle tracks in a single file. It is designed to be a universal format for storing common multimedia content, like movies or TV shows.

History

MKV was developed by the Matroska team, starting in 2002. It was created as an open alternative to proprietary container formats, with the goal of providing a flexible, extensible format for multimedia content.

How it works

MKV files use a flexible structure that can contain multiple video and audio tracks, along with subtitles, chapters, and metadata. The format supports a wide range of codecs, making it versatile for various types of media content.

How to open MKV files

MKV files can be opened with various media players and devices. Here are some common ways to open MKV files:

  • VLC Media Player
  • Media Player Classic
  • PotPlayer
  • Most modern web browsers
  • Many media players on mobile devices
  • Kodi
  • Plex

Tips for working with MKV files

Here are some useful tips when working with MKV files:

  • MKV files can contain multiple audio and subtitle tracks
  • They support a wide range of video and audio codecs
  • The format is open and free to use
  • MKV files are ideal for high-quality video storage
  • They can be easily converted to other formats

Useful links

For more information about MKV files, you can visit these resources:

  • Matroska Project Documentation
  • MKV File Format Specification
  • Matroska Developer Documentation
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Output Format

What is FLAC?

FLAC (Free Lossless Audio Codec) is a lossless audio format that compresses files without losing quality. The .flac extension is popular for music libraries and archiving.

History

FLAC was released by the Xiph.Org Foundation in 2001 as an open, royalty-free alternative to proprietary lossless formats.

How it works

FLAC compresses audio by predicting samples and storing only the differences. It reduces size while preserving the exact original waveform.

How to open FLAC files

FLAC is supported by many modern players and apps:

  • VLC Media Player
  • Foobar2000
  • Apple Music (macOS) and iTunes with plugins
  • Audacity
  • AIMP
  • Android music players
  • High-end audio devices

Tips for working with FLAC files

FLAC is ideal for lossless collections and editing:

  • Use FLAC for archiving masters
  • Add metadata tags for albums and cover art
  • Convert to MP3 or AAC for smaller files
  • Keep original FLACs for future remastering
  • Check compatibility on older devices

Useful links

Explore more about FLAC audio:

  • Xiph.Org FLAC documentation
  • Lossless audio comparison
  • Audio tagging best practices

Why Choose Our Converter?

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Free

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Fast

With IloveMP4, you can convert your file really fast!

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Secure

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Quality

IloveMP4 always offers the best quality conversion.

Frequently Asked Questions

File Size & Length

Maximum file size?

Up to 4GB for free users. For larger files, use our video compressor or upgrade.

Maximum video length?

No length restrictions - convert videos of any duration.

Conversion Options

Change format?

Use our converter for any format. Try our compressor to reduce file size.

Change frame rate?

Use our FPS changer or compressor.