Audio File Extensions

Explore various audio file types, their uses, and compatible software.

.mp3

MP3 is a commonly used compressed audio format that reduces file size while maintaining sound quality, popular in music and media.

.wav

WAV is an uncompressed audio format with high quality, widely used in professional audio and Windows applications.

.aiff

AIFF is an uncompressed audio format commonly used on Mac OS and for professional audio editing.

.aac

AAC is a compressed audio format that offers better sound quality than MP3 at similar bit rates, commonly used in Apple products.

.flac

FLAC is a lossless audio format that compresses files without losing quality, popular among audiophiles.

.alac

ALAC (Apple Lossless) is a lossless audio format developed by Apple, used for high-quality audio storage.

.wma

WMA is a Windows Media Audio format that provides options for both lossy and lossless compression, often used on Windows.

.ogg

OGG is an open-source compressed format known for high-quality audio at lower file sizes, frequently used in streaming.

.opus

Opus is an open-source format optimized for low-latency audio, popular in VoIP and streaming applications.

.m4a

M4A is an audio-only version of MPEG-4 commonly used by iTunes and Apple devices for music files.

.m4b

M4B is a format designed for audiobooks with chapter markers and other features, commonly used on Apple devices.

.m4p

M4P is a protected version of the MPEG-4 format, often used for DRM-protected files purchased from iTunes.

.m4r

M4R is a format for ringtones, used primarily by Apple devices for custom ringtones.

.amr

AMR is a compressed audio format used in mobile phones for voice recording, especially in messaging.

.awb

AWB (AMR-WB) is a wideband extension of AMR, used in mobile communication for higher voice quality.

.dss

DSS is a format used in professional dictation devices for compressed voice recordings.

.gsm

GSM is a low-quality audio format used for mobile phone recordings and in telephony systems.

.vox

VOX is a low-bitrate format used in telecommunication and voice applications.

.pcm

PCM (Pulse-Code Modulation) is a raw audio format used in digital audio for uncompressed, high-quality sound.

.dsd

DSD is a high-resolution audio format used in Super Audio CDs (SACD) for audiophile-grade sound.

.dsf

DSF is a high-resolution audio format compatible with DSD players, often used in professional music production.

.wv

WavPack is a hybrid format that supports both lossy and lossless compression for high-quality audio.

.mpc

MPC (Musepack) is an efficient format for high-quality audio compression, popular among enthusiasts.

.ape

APE (Monkey's Audio) is a lossless format that compresses audio without sacrificing quality, used in archiving music.

.ra

RA (RealAudio) is a format used for streaming audio over the internet, originally developed by RealNetworks.

.ram

RAM (RealAudio Metafile) is a format for streaming RealAudio files on the web.

.rm

RM (RealMedia) is a format by RealNetworks used for streaming audio and video.

.tta

TTA (True Audio) is a lossless format providing high-quality compression for audiophiles.

.cd

CD audio format is the standard format for audio on Compact Discs, providing high-quality sound.

.cda

CDA files are shortcuts that reference audio tracks on CDs for playback.

.swa

SWA (Shockwave Audio) was used in Adobe Shockwave applications for web-based audio.

.smp

SMP (SampleVision) is a format for sampling audio, commonly used in early digital sampling software.

.snd

SND is a generic sound file format, often used on Unix-based systems.

.sf2

SoundFont (SF2) is a format that stores sampled musical instrument sounds, popular in MIDI composition.

.sfark

SFARK is a compressed SoundFont format used to reduce the size of SoundFont files.

.nwc

NWC (Noteworthy Composer) is a file format for music notation created in Noteworthy Composer software.

.mid

MIDI is a format that encodes musical performance data, used to control digital instruments.

.midi

MIDI is a variation of the MIDI format, commonly used in music production.

.kar

KAR is a Karaoke MIDI format that combines MIDI music with synchronized lyrics.

.rmi

RMI (RIFF MIDI) is a type of MIDI file stored in RIFF format, used for cross-compatibility.

.psf

PSF (PlayStation Sound Format) is used to store audio from PlayStation games.

.ssf

SSF (Sega Saturn Sound Format) stores audio for Sega Saturn games.

.spc

SPC (Super Nintendo Sound Format) is used for SNES game music.

.gym

GYM (Genesis YM2612 Sound Format) stores audio from Sega Genesis/Mega Drive games.

.vgm

VGM (Video Game Music) is a format for video game soundtracks, used in emulation.

.vgz

VGZ is a compressed version of the VGM format, used in gaming emulation.

.sap

SAP (Atari Sound Format) is used for audio on Atari 8-bit computers.

.sid

SID is a format for music created on the Commodore 64's SID chip.

.mod

MOD is a format used in early game music and music tracking software.

.s3m

S3M (Scream Tracker 3 Module) is a tracker music format used in Scream Tracker.

.it

IT (Impulse Tracker) is a module format for digital music used in Impulse Tracker.

.xm

XM (FastTracker 2 Extended Module) is a format for tracker music, used in FastTracker.

.mo3

MO3 is a compressed module format with support for MP3 and OGG samples.

.mt2

MT2 (MadTracker 2) is a module format used in the MadTracker software.

.ptm

PTM (Poly Tracker Module) is a tracker music format.

.stm

STM (Scream Tracker Module) was used in early Scream Tracker software.

.ult

ULT (UltraTracker) is a format for module music in UltraTracker.

.m15

M15 is a tracker module format used in early music software.

.med

MED (OctaMED) is a format for tracker music on the Amiga platform.

.669

669 is a tracker format used in early DOS-based music tracking software.

.far

FAR (Farandole Composer Module) is a format used for composing tracker music.

.plj

PLJ is an alternate tracker format used for digital audio.

.dsm

DSM (Digital Sound Module) is a format for tracker music.

.okt

OKT (Oktalyzer) is a format for music on the Amiga platform.

.umx

UMX (Unreal Music Package) stores audio for the Unreal game series.

.amf

AMF (Advanced Module Format) is a tracker module format.

.mtm

MTM (MultiTracker Module) is used in early digital music trackers.

.ahx

AHX is an Amiga format designed for chiptune music.