MP3 to FLAC Converter

FLAC wraps your audio in a lossless container. It won't restore quality lost during MP3 encoding, but some players and library managers work better with FLAC than WAV.

audio_file

Drag & drop audio files here, or browse

Drop your MP3 files here

How It Works

  1. Add your MP3 files Drag and drop MP3 files onto the page, or click to pick them from your file browser.
  2. Pick your settings Choose quality settings for FLAC output like bitrate, quality level, or compression.
  3. Convert Click convert and FFmpeg WebAssembly processes your files right in the browser. Nothing gets uploaded.
  4. Download Grab your converted FLAC files one at a time or download them all as a ZIP.

Features

Supported Formats

FAQ

Why convert MP3 to FLAC?

FLAC wraps your audio in a lossless container. It won't restore quality lost during MP3 encoding, but some players and library managers work better with FLAC than WAV.

How do I convert MP3 to FLAC?

Drop your MP3 files onto this page, pick your quality settings for FLAC output, and click Convert. Everything runs in your browser and nothing is uploaded.

What is MP3 (MPEG Audio Layer III)?

MP3 is the most widely used audio format. It works on basically every device and player out there. The tradeoff for small file sizes is some quality loss, but at higher bitrates most people can't tell the difference.

What is FLAC (Free Lossless Audio Codec)?

FLAC compresses audio to about half the original size without losing any quality. You can always decode it back to the exact original. Popular for music archiving and audiophile collections.

Are my files private?

Yes. All conversion happens in your browser using WebAssembly. Your audio files never leave your device and aren't uploaded anywhere.

Is there a file size limit?

There's no hard limit, but very large files (over 2 GB total) may be slow or run into browser memory constraints.