Need your MP3 in a lossless container for archiving or specific software? Convert instantly. No app, no signup, no watermark.
Convert MP3 to FLAC freeDrag and drop your MP3 audio file — any standard MP3 file works.
FixTheFile converts your MP3 to FLAC in seconds.
Your converted file downloads directly — no email, no account needed.
Upload your MP3 file to FixTheFile, choose "Convert format", and select FLAC as the output. Your converted file downloads instantly — no signup required.
MP3 is a compressed, lossy format, while FLAC is a lossless format that preserves more audio detail without compression artifacts.
No — converting MP3 to FLAC cannot restore quality that was already lost when the file was originally compressed to MP3. It simply repackages the existing audio in a lossless container.
Some software, archiving workflows, or audio equipment require or prefer FLAC files, even if the original quality was already MP3.
Yes — FLAC files are typically larger than MP3 files, even though both will contain the same level of audio detail as the original MP3.
No software needed. Works on any device. First fix is free.
Convert MP3 to FLAC free