AAC to FLAC

Select a file to upload and convert:
(max file size 200 MB)
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This AAC to FLAC converter can convert AAC (Advanced Audio Coding) files to FLAC (Free Lossless Audio Codec) audio.
How To Use:
  1. Select a AAC file (such as *.m4a, *.m4b, *.m4r, *.aac).
  2. Click button "Convert" to start upload your file.
  3. Once upload completed, converter will redirect a web page to show the conversion result.
Remark:
  • If file upload process takes a very long time or no response or very slow, please try to cancel then submit again.
  • This converter cannot support encrypted or protected audio files.
  • If file source is a URL, be sure to enter a complete and valid URL to your file.
File Format Information:
  • AAC (Advanced Audio Coding) is a lossy audio compression format, based audio-encoding standard for MPEG-2 and MPEG-4. The file extensions can be .m4a, .m4b, .m4r, .aac.
  • FLAC (Free Lossless Audio Codec) is a lossless audio compression format, audio data is compressed without any loss, supports metadata tagging, stream format, fast seeking and more.
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