FLAC MP3
File conversion

Convert FLAC to MP3

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Is it possible to convert FLAC to MP3?
Yes - FLAC converts to MP3.

You can do it right here with our free converter - no sign-up, and your file is deleted right after.

Upload your file above or run ffmpeg -i in.flac -b:a 320k out.mp3 - both finish in seconds. MP3 is lossy, so the conversion permanently discards the audio data that FLAC preserved; at 320 kbit/s most listeners cannot tell the difference, but the change is irreversible. Always keep your original FLAC files.

Also to MP3: CAF · STS · OGA

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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Why convert FLAC to MP3?

.MP3 plays on virtually every phone, car stereo, and portable player made in the last 25 years; FLAC support is far less universal. At 320 kbit/s an MP3 is roughly one-fifth the size of the lossless original, freeing significant space on mobile devices. Converting also ensures compatibility with older software and platforms that reject FLAC.

How to convert FLAC to MP3

foobar2000 FREE

Select FLAC files, right-click and choose Convert, set output to MP3 at 320 kbit/s, and pick a destination folder.

fre:ac OPEN-SOURCE

Drag .flac files into the queue, select LAME MP3 Encoder at 320 kbit/s, and click Convert - full folder batch conversion is supported.

VLC media player FREE

Open Media > Convert/Save, add your .flac files, choose the Audio - MP3 profile, and click Start.

Command line - ffmpeg CLI

Run ffmpeg -i in.flac -b:a 320k out.mp3 - use a shell loop for batch conversion of an entire folder.

Programs that convert FLAC

About these formats

Quality & what to watch

  • This conversion is lossy and irreversible - the discarded audio data cannot be recovered, so always keep your original .flac files as the archive master.
  • Bitrate matters: use 320 kbit/s CBR or V0 VBR for transparent results; avoid anything below 192 kbit/s for music.
  • Tags and cover art (artist, album, title, track number) transfer automatically with foobar2000, fre:ac, and ffmpeg.

Frequently asked questions

Does converting FLAC to MP3 lose quality?
Yes - FLAC is lossless and MP3 is lossy. At 320 kbit/s the difference is hard to detect in a blind test, but the data loss is real and permanent.
What bitrate should I use?
320 kbit/s (CBR) or V0 (VBR, roughly 220-260 kbit/s average) are the standard choices; both are considered transparent for most listeners.
Will my tags and cover art transfer?
Yes, with foobar2000, fre:ac, and ffmpeg - Vorbis Comment tags from the FLAC are automatically remapped to ID3 tags in the MP3, including embedded artwork.
Can I convert the MP3 back to FLAC to restore quality?
No - the resulting FLAC only wraps the already-lossy audio and recovers nothing. Never delete your FLAC originals.