MP3 to FLAC Converter
Convert MP3 audio to the lossless FLAC format — right in your browser.
MP3 is a lossy format, while FLAC is lossless and preferred by audiophiles and music archives. Converting MP3 to FLAC is useful when a player or library only accepts FLAC.
The conversion runs entirely in your browser — nothing is uploaded.
How to convert MP3 to FLAC
- 1Drop your MP3 file into the area above — or click to browse.
- 2The output format is already set to FLAC. Adjust the quality settings if the format supports them.
- 3Click convert, then download your FLAC file. Everything runs locally — nothing is uploaded.
Frequently asked questions
No. FLAC is lossless, but it can't restore detail that MP3 compression already discarded. The result will sound the same as the MP3, just in a lossless container with a larger file size.
Mainly for compatibility — when a device, DJ app, or archive requires FLAC files, or to keep a consistent lossless library going forward.
No. All processing happens entirely in your browser. Your data never leaves your device — nothing is uploaded to any server.
Yes. Once the page has loaded, the tool works completely offline. For the best experience, install PrivaDeck as a PWA from your browser.
Other conversions
Need a different format?
Open the full audio converter to pick from MP3, WAV, OGG, AAC, FLAC, M4A and Opus, convert in batches, and adjust bitrate, sample rate and channels.
Open the full Audio Converter