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AIFF to WMA converter

Convert AIFF to WMA 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 WMA
Advanced 4
sec

Leave both at 0 for the whole file.

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Channels

Bytes of your files sent anywhere: 0 B

Related conversions

Need it the other way round? Convert WMA to AIFF

Other ways to convert AIFF

Convert other formats to WMA

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

Should you convert AIFF to WMA?

A good trade for listening and sharing: WMA is a fraction of the size of AIFF, and at 192 kbps or more the difference is inaudible for most people. Keep the AIFF as your master if you’ll edit or convert again.

AIFF is uncompressed audio, Apple’s equivalent of WAV; WMA is the Windows Media audio format from the Windows XP era. Choose WMA only for an old Windows device; convert your WMA rips to MP3 or M4A to play them anywhere.

AIFF and WMA compared
Property AIFF WMA
Compression Uncompressed Lossy
Typical quality 16-bit PCM 64–192 kbps
Support Opens almost everywhere A legacy format
Best for Audio production on Macs, and importing into Logic or GarageBand Old Windows software and devices that expect it
Introduced 1988 1999

How to convert AIFF to WMA

  1. 01

    Add your AIFF

    Drop your AIFF 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 WMA. Change the bitrate if you want to; the defaults suit most files.

  3. 03

    Save the WMA

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

What changes when AIFF becomes WMA

From lossless to lossy

AIFF holds every sample; WMA keeps what the ear notices and discards the rest. Pick the bitrate by use: 128 kbps for speech, 192 to 256 kbps for music.

Who needs WMA

Choose WMA only for an old Windows device; convert your WMA rips to MP3 or M4A to play them anywhere.

A one-time engine download

AIFF 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 smaller file

AIFF: About 10 MB a minute at CD quality. WMA: Similar to MP3. Shrinking the file is often the main reason to make this conversion.

This page is put together from our notes on each format, choosing only what is true of AIFF and WMA, 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 AIFF. AIFF stores samples in the opposite byte order to WAV; tools that assume WAV turn it into loud static.
  • About the WMA. WMA files bought from old online stores are often DRM-protected; no converter can open those.
  • 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 AIFF to WMA lose quality?

WMA is lossy, so a little is discarded, but at the default bitrate the difference is inaudible for nearly everyone.

Will a WMA play in my car or on my phone?

WMA a legacy format: Windows and VLC; not iPhones, Macs, most Android apps or browsers.

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