Convert AIFF to FLAC

Convert AIFF to FLAC in your browser. Your audio files are processed on your device and are not uploaded.

1. Add your files

or drop your AIFF files here
Up to 20 MB per file. You can select multiple files.
No files selected
Controls how aggressively the FLAC encoder compresses the audio. Higher levels create smaller files but require more processing time.
Sets the number of output audio channels. Stereo preserves the original quality and soundstage; mono reduces size.
Defines the number of audio samples per second. Higher sample rates offer better fidelity at the cost of larger file size.

4. Download converted files

Private browser conversion: Your files stay on your device. Large files may take longer, and some formats depend on browser codec support.

How to use this AIFF to FLAC Converter?

  1. Choose one or more files or drop them into the input area.
  2. Adjust the available settings, then click Convert. Processing stays in this browser; nothing is uploaded.
  3. Download each result or download a ZIP for multiple files. Results disappear when you leave this page.