Format library
Understand audio formats before you convert
Learn what each format is for, how it handles compression, and which one fits sharing, editing, archiving or voice.
Lossy audio
MP3
One of the most widely supported audio formats. It greatly reduces file size and works on virtually any device.
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Uncompressed audio
WAV
A common format for editing and production. It typically stores uncompressed PCM audio, so files can be large.
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Lossless audio
FLAC
Compresses audio without discarding information. Useful for preserving music and masters while using less space than WAV.
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Lossy audio
AAC
An efficient codec widely used in streaming, phones and video. It can deliver good quality at moderate file sizes.
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Audio container
M4A
A common container for AAC and other audio codecs, widely used by recorders, iPhone and Apple ecosystems.
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OGG
An open format often used with Vorbis or Opus. Common on the web, in games and in some messaging applications.
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Lossy audio
OPUS
A modern, highly efficient codec that works especially well for voice, audio notes, calls and web playback.
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Uncompressed audio
AIFF
A high-quality audio format historically associated with Apple and professional audio tools.
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