FLAC → AAC Converter

Convert FLAC to AAC — Free & Private

Convert FLAC to AAC online for free. FLAC is a lossless audio format that preserves full quality; AAC is a high-efficiency audio format used by Apple and YouTube. All processing happens locally in your browser — your files never leave your device.

No server uploads100% privateGPU acceleratedOpen source

How to convert FLAC to AAC

  1. 1

    Select your FLAC file

    Click or drag your FLAC file onto the converter above.

  2. 2

    Convert to AAC

    The output format is pre-set to AAC. Click the convert button to process your file.

  3. 3

    Save instantly

    Your converted AAC file is ready — save it to your device, no email required.

FLAC to AAC — FAQ

Is the FLAC to AAC converter really free?

Yes, completely free. No hidden fees, no watermarks, no file size limits. LocalConvert is open source and free forever.

Are my FLAC files safe?

Absolutely. Your files never leave your browser. All FLAC to AAC conversion happens using WebAssembly running locally on your device — no uploads, ever.

How long does FLAC to AAC conversion take?

Most conversions finish in seconds. Larger files may take a little longer depending on your device's speed and memory.

What's the difference between FLAC and AAC?

FLAC is a lossless audio format that preserves full quality. AAC is a high-efficiency audio format used by Apple and YouTube.