You may want MP3 copies of your FLAC files because a phone, car stereo, or old player cannot play FLAC, or because storage is tight. Converting is simple. The part that matters is choosing the right settings and keeping your lossless originals untouched.
Before You Start: Keep the FLAC Files
FLAC to MP3 is a one-way trip. MP3 discards audio data, and you can’t recover it later, so converting an MP3 back to FLAC does not restore the lost detail. Always convert copies and leave the originals in place. If you’re still deciding between formats, see FLAC vs MP3.
Which Bitrate Should You Choose?
Bitrate controls the size and quality of the MP3. A short guide, if bitrate is new to you:
| Setting | Use it for |
|---|---|
| 320 kbps (CBR) | Maximum MP3 quality; best for good headphones and critical listening |
| V0 (VBR) | Near-transparent quality at a smaller size; a favorite of enthusiasts |
| 192-256 kbps | A good balance for everyday listening |
| 128 kbps | Smallest files; fine for speech, noticeably lossy for music |
If you can’t decide, V0 or 256 kbps is a safe default. Variable bitrate (VBR) usually gives better quality per megabyte than constant bitrate.
Method 1: Audacity (Windows, Mac, Linux)
- Open the FLAC file in Audacity (File → Open).
- Choose File → Export → Export as MP3.
- Set the quality mode (VBR or constant) and your bitrate.
- Fill in or confirm the metadata tags and export.
Audacity is best for one or a few files.
Method 2: VLC (Windows, Mac, Linux)
- Open VLC and choose Media → Convert / Save.
- Add your FLAC file or files.
- Choose an MP3 profile, set a destination file name, and start.
VLC works well when you already have it installed and only need a quick conversion.
Method 3: FFmpeg (Command Line, Best for Batches)
FFmpeg converts a file in one line:
ffmpeg -i input.flac -codec:a libmp3lame -q:a 0 output.mp3
The -q:a 0 flag is the highest-quality VBR setting (V0). For a constant 320 kbps, use -b:a 320k instead. To convert every FLAC in a folder, loop over the files in your shell.
Keep Your Tags and Cover Art
FLAC files usually hold artist, album, and track tags plus embedded cover art. Most tools copy these across automatically, but check a converted file in your player. Audacity asks you to confirm tags during export, and FFmpeg normally carries metadata across by default.
What About AllMediaTools?
AllMediaTools does not convert audio-to-audio, so it can’t do FLAC to MP3. It helps with a related job: if the audio you want is inside a video, the MP4 to MP3 converter extracts it directly. For the differences between MP3 and its main rival, see AAC vs MP3.
Is the Quality Loss Audible?
At 256 kbps or V0, most people can’t reliably tell an MP3 from the FLAC on typical equipment. Differences show up most on very good gear, with complex music, or at low bitrates. If you’d like to know what you are giving up, read what FLAC is.
Frequently Asked Questions
Can I convert FLAC to MP3 for free?
Yes. Audacity, VLC, and FFmpeg are all free.
Does converting FLAC to MP3 reduce quality?
Yes, MP3 is lossy. At high bitrates the difference is small, but it’s permanent.
What is the best bitrate for FLAC to MP3?
V0 VBR or 320 kbps for best quality; 192-256 kbps for a smaller file with little audible difference.
Will my album art and tags survive?
Usually, but check the output in your player.
Can I turn MP3 back into FLAC?
You can wrap it in a FLAC file, but the lost audio data does not come back.