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MKA to AIFF converter

Convert MKA to AIFF in your browser. No upload and no account: the file never leaves your device, so the only size limit is your device’s memory.

I want AIFF
Advanced 4
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Leave both at 0 for the whole file.

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Bytes of your files sent anywhere: 0 B

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Other ways to convert MKA

Convert other formats to AIFF

Read more about the MKA format and the AIFF format, or see every audio tool and all audio conversions.

Should you convert MKA to AIFF?

A lossless move: MKA and AIFF both keep every sample, so the sound is identical and you can convert back at any time.

AIFF also plays in more places: Macs, iPhones and pro audio software; some Windows and web apps prefer WAV.

MKA is audio tracks in a Matroska container; AIFF is uncompressed audio, Apple’s equivalent of WAV. Use AIFF for editing in Mac audio software, or when a Mac workflow asks for it.

MKA and AIFF compared
Property MKA AIFF
Compression Depends on the codec inside Uncompressed
Typical quality any codec 16-bit PCM
Support Has patchy support Opens almost everywhere
Best for Separate soundtracks and language dubs that sit next to an MKV Audio production on Macs, and importing into Logic or GarageBand
Introduced 2002 1988

How to convert MKA to AIFF

  1. 01

    Add your MKA

    Drop your MKA file onto the box, or click to choose it. It is read from your disk and stays there.

  2. 02

    Check the settings

    The output is already set to AIFF. Change the bitrate if you want to; the defaults suit most files.

  3. 03

    Save the AIFF

    Press convert and save the AIFF. Several files come back together as a ZIP.

What changes when MKA becomes AIFF

Identical sound

Both formats are lossless, so the audio isn’t changed at all. Only the file size and which apps open it differ.

Who needs AIFF

Use AIFF for editing in Mac audio software, or when a Mac workflow asks for it.

A one-time engine download

MKA is decoded by FFmpeg compiled to WebAssembly, a 31 MB download the first time. After that it is cached, and the conversion never leaves your device.

Expect a much larger file

AIFF is far bigger for the same content. Choose it because something needs AIFF, not to send or store the file. MKA: Depends on the codec inside. AIFF: About 10 MB a minute at CD quality.

This page is put together from our notes on each format, choosing only what is true of MKA and AIFF, so every pairing states the same facts the same way. How these pages are made.

Why it doesn’t upload

Recordings are often private: interviews, voice notes, unreleased music. Your browser can decode and encode audio itself, so there is no reason to send it anywhere.

How to check for yourself

Worth knowing

  • About the MKA. An MKA may hold several tracks; conversion uses the first, which isn’t always the language you want.
  • About the AIFF. AIFF stores samples in the opposite byte order to WAV; tools that assume WAV turn it into loud static.
  • MP3, WAV, M4A, OGG, Opus and FLAC are converted by your browser directly. WMA, AMR, APE, AC3 and the other specialist formats use the FFmpeg engine, a one-time 31 MB download.

Questions

Does converting MKA to AIFF lose quality?

No quality is lost converting to AIFF.

Will an AIFF play in my car or on my phone?

AIFF opens almost everywhere: Macs, iPhones and pro audio software; some Windows and web apps prefer WAV.

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