FLAC

Lossless music files

FLAC stands for Free Lossless Audio Codec, a file format that compresses audio without sacrificing quality.

Unlike MP3, which discards data to shrink files, FLAC preserves every detail of the original recording while still reducing file size.

Audiophiles and archivists prefer it: I keep my music collection in FLAC.

The format is open-source and widely supported.

format

lossless

Retaining all original information

file · extension · encoding · decoder · encoder · bitstream · container · metadata · tags · specification

audiophile

lossless

Retaining all original information

transparency · uncompressed · archival · master · original · purist · reference · listening · DAC · headphones

storage

filesize

Digital storage amount

NAS · server · collection · ripping · organizing · tagging · metadata · discography · cataloging · preservation

software

transcoding

Media format conversion process

tagger · streaming · Bandcamp · Tidal · downloading · playback · compatibility · support · plugin

Opposites
audio compression quality

FLAClossy

Sacrificing fidelity for size

MP3 · AAC · WMA

audio fidelity

FLAClo-fi

Imperfect audio quality, informally

AM radio

Phrases
Family

flaccid, flaccidity, flaccidly

Familiarity
Top 1,000,000
Profile
Used worldwide · Rated G