Does converting MP3 to FLAC reduce quality?

FLAC is lossless — no quality is lost during conversion.

Is my audio uploaded to a server?

No. All conversion runs in your browser using FFmpeg WebAssembly. Your file never leaves your device.

Yes, 100% free with no account, no limits, and no hidden fees.

Convert MP3 to lossless FLAC format free. Runs in your browser, no upload required.

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