Free online converter

MP3 to FLAC

Convert MP3 files to FLAC with a focused browser-based tool.

Preparing…0%

Convert MP3 to FLAC online

MP3 is a widely supported lossy audio format. FLAC is a lossless audio format that preserves original audio data. Converting from MP3 to FLAC is useful when you need archival and high-quality listening without lossy compression, or when a player, editor or publishing workflow expects this audio format.

Source formatMP3 audio — small audio files and broad playback compatibility.
Target formatFLAC audio — archival and high-quality listening without lossy compression.

How to convert MP3 to FLAC

  1. Choose a MP3 file from your device.
  2. Review any available quality or output settings.
  3. Start the conversion and download the finished FLAC file.

What to know before converting

Re-encoding compressed media can reduce quality. Use a suitable bitrate or quality setting when one is available. This tool is designed to perform supported conversions in the browser, so you can get to the result without installing desktop software.

About MP3 and FLAC files

MP3 audio is useful for small audio files and broad playback compatibility. FLAC audio is useful for archival and high-quality listening without lossy compression. Choosing between them depends on the software you use, the level of compatibility you need, and whether file size, editability, quality or transparency matters for your workflow.

Related converters