AAC to FLAC
Change AAC to FLAC and keep the quality you need. Free for up to 10 files a day, no sign-up.
AAC
Your files
Drop your .aac files here
or
You can add several files and convert them together.
How to convert AAC to FLAC
- Drop your AAC file into the box above, or add it from a link.
- FLAC is already selected. Use the settings button next to it to change size, quality or other options.
- Select Convert, then download your FLAC file.
To do this from your own code, call the FileForge API with "output_format": "flac".
About the formats
.aac
AAC is the audio codec behind iTunes, YouTube and most MP4 videos. It sounds better than MP3 at the same bitrate, but bare .aac files aren't accepted everywhere.
.flac
FLAC is lossless audio: it compresses sound to about half the size of WAV with no loss at all. It's the format for music collectors and hi-res downloads, but files are large and not every device plays them.