FLAC to MP3 Converter

Convert lossless FLAC audio to MP3 for smaller files that play on any device.

Drop FLAC files here

or click anywhere in this box to choose files

Up to 50 MB per file. Sign up free to convert files up to 100 MB.

Selected files

File name	Size	Convert to

Convert all to:

Conversion complete

File name	File size	Download

Convert More Files Download All (ZIP)

What to expect when converting FLAC to MP3

Typical file-size change

70–90% smaller

Example

A 30 MB FLAC track typically becomes 4 – 8 MB as MP3 at 256 kbps.

Quality: Significant, FLAC is lossless, MP3 is lossy. At 320 kbps MP3, most listeners cannot tell the difference, but audiophiles on high-end equipment can.

Best for: portable music libraries, sharing music, listening on phones / wireless headphones.

Avoid when: hi-fi listening or archival, keep the FLAC master.

Tip: For portable use, 256-320 kbps MP3 is indistinguishable from FLAC on consumer headphones. For studio reference monitors, you'll want lossless.

FLAC to MP3 - A lossless archive, sized for everyday listening

FLAC is where lossless libraries live: vinyl rips, high-resolution purchases from Tidal or Qobuz, archives straight off a studio master. All of it is too large to carry around on a phone or push through a distribution feed. At 320 kbps most people cannot pick the MP3 from the FLAC in normal listening conditions, and 192 kbps is plenty for earbuds on the move.

FLAC to MP3: the quality-size tradeoff

FLAC stores audio losslessly, a decoded FLAC file is bit-for-bit identical to the original studio recording. MP3 uses psychoacoustic modeling to discard audio information below the masking threshold (sounds your ear can't hear because louder nearby frequencies mask them). At 320 kbps, MP3 is "transparent" to most listeners in double-blind tests. At 128 kbps, trained listeners notice cymbals losing sparkle and reverb tails shortening. A 30 MB FLAC song becomes 7-10 MB at MP3 320 kbps or 3-4 MB at 128 kbps.

Convert FLAC to MP3 for portable devices with limited storage, car stereos that don't read FLAC, sharing music via email or messaging, and uploading to platforms that don't accept FLAC. Use 320 kbps for quality-sensitive listening, 192 kbps for a good balance, and 128 kbps when file size is the priority.

FLAC vs MP3: Side-by-side

Technical comparison of the two formats, useful for deciding which to use, or for confirming what changes during conversion.

Property	FLAC	MP3
Full name	Free Lossless Audio Codec	MPEG-1 Audio Layer III
Year introduced	2001	1993
Developer / standard body	Xiph.Org	Fraunhofer / MPEG
MIME type	audio/flac	audio/mpeg
File extension	.flac	.mp3
Compression	Lossless	Lossy (MDCT)
Color / data depth	N/A (audio)	N/A (audio)
Max dimensions / size	8 channels × 32-bit × 192 kHz	Up to 320 kbps bitrate
Transparency	No	No
Animation	No	No
Standard / specification	Xiph.Org FLAC	ISO/IEC 11172-3
Best for	Audiophile listening, lossless music archives	Universal audio compatibility, playable on every device

Frequently asked questions

Why convert FLAC to MP3 instead of keeping FLAC?

FLAC is a lossless compressed audio format used for archiving music at full quality with smaller size than WAV. MP3 is better for music and podcasts on any device. Convert when the destination device, app, or platform handles MP3 more reliably than FLAC.

What is FLAC?

FLAC is a lossless compressed audio format, typically used for archiving music at full quality with smaller size than WAV. Converting it to MP3 produces a file that opens on systems without FLAC support.

Will the MP3 sound noticeably worse than the FLAC?

On consumer headphones or speakers, almost never, 256-320 kbps MP3 is transparent to most listeners. On studio reference monitors or audiophile equipment, you may hear subtle differences in cymbal decay, bass texture, or stereo imaging.

What bitrate should I pick for FLAC-to-MP3?

320 kbps is the safe choice for FLAC sources, it preserves as much detail as MP3 can store. 256 kbps is the sweet spot for portable listening (smaller files, no perceptible difference on phones and Bluetooth headphones). Don't go below 192 kbps from a FLAC source.