Convert FLAC to MP3 Online — No Upload, No Watermark
FLAC is the open lossless audio format prized by audiophiles — but rejected by podcast hosts and most car stereos. Converting to MP3 gives you a small, universal audio file that every player, podcast host, and editor accepts without extra codecs.
Drop audio file here
Max file size: ~2 GB (memory permitting)
Where FLAC files come from
FLAC is the lossless archive format for music: bit-perfect, roughly half the size of WAV, and what people use for ripped CDs and high-resolution purchases. It is also unplayable on a lot of ordinary hardware.
What changes when you convert FLAC to MP3
| Encoding | Lossless FLAC decoded and encoded to MP3 at LAME V2 |
|---|---|
| File size | Around one third of the FLAC |
| Tags | Not carried across, so artist and album need re-tagging |
Worth knowing first
Going from lossless to MP3 is a one-way door, but a harmless one as long as you keep the FLAC. Treat the MP3 as the travel copy for a car stereo or an older phone, and keep the FLAC as the library.
FAQ
Will I hear the difference?
In a blind comparison at V2, almost certainly not, on almost any equipment. The reason to keep the FLAC is not everyday listening but future re-encoding, since every conversion should start from the lossless master.
Why will my car stereo not play FLAC?
Support arrived late and unevenly in car head units and older phones, many of which only ever implemented MP3 and AAC. Converting is usually quicker than fighting the hardware.
Do my album tags survive?
No. FLAC uses Vorbis comments and MP3 uses ID3, and the conversion does not translate between them. Re-tag in a music manager afterwards if the metadata matters.
Is this FLAC to MP3 converter free, with no upload?
Yes. Conversion happens locally in your browser via FFmpeg WebAssembly — your audio never uploads. No signup and no watermark. Length is limited only by the memory your browser gives this tab, which is far smaller on a phone than on a computer.