MP3 to FLAC Converter

Upload any MP3 and convert it to FLAC — lossless, CD-quality audio used by audiophiles and archivists. Free, in your browser, no sign-up required.

Supports .mp3 files up to 100 MB

How to use MP3 to FLAC Converter.

3 simple steps to get started.

1
Step 1

Upload your MP3 file

Click 'Upload MP3 file' or drag and drop a .mp3 file onto the page.

2
Step 2

Choose sample rate

Select your target sample rate — 44.1 kHz is CD quality.

3
Step 3

Convert & download

Click 'Convert to FLAC' — your lossless FLAC file downloads instantly.

Why use MP3 to FLAC Converter?

Everything you need to know about mp3 to flac converter.

MP3 to FLAC Converter — free & online

Upload any MP3 and convert it to FLAC — lossless, CD-quality audio used by audiophiles and archivists. Free, in your browser, no sign-up required. No downloads, no sign-ups, and no file uploads to external servers. Everything runs locally in your browser using the Web Audio API, keeping your files completely private and secure.

How does MP3 to FLAC Converter work?

Simply upload your audio file — MP3, WAV, OGG, FLAC, or M4A — and use our intuitive editor to make your changes. Upload your MP3 file, Choose sample rate, Convert & download. Once you're satisfied, export the result in your preferred format instantly.

Who is MP3 to FLAC Converter for?

Whether you're a podcaster, musician, content creator, or just someone who needs a quick audio edit, MP3 to FLAC Converter is built for you. It works on any device — desktop, tablet, or mobile — across all modern browsers including Chrome, Firefox, Safari, and Edge.

Frequently asked questions.

Everything you need to know about MP3 to FLAC Converter.