Convert AAC to FLAC
Convert AAC to FLAC quickly and securely. Free, fast, and easy - no sign-up required. Start free and download your converted FLAC file online with no account required.
Drop your AAC files here
Up to 500MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
- 101
Upload your AAC files
Drag and drop or select AAC files from your device. You can upload multiple files at once.
- 202
Configure Output
Choose an audio quality setting to balance sound quality and file size.
- 303
Download FLAC files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert AAC to FLAC?
AAC is an efficient compressed audio format used by phones, streaming services, and video platforms. Converting it to FLAC creates a lossless compressed audio format that retains the decoded audio data, ready for workflows that use the destination format.
FLAC plays in current Windows, Android, Linux, VLC, and many music apps; some Apple workflows prefer ALAC.
Related audio converters
Frequently Asked Questions
What does converting AAC to FLAC do?
It creates a genuine FLAC file from your AAC. AAC is an efficient compressed audio format used by phones, streaming services, and video platforms, while FLAC is a lossless compressed audio format that retains the decoded audio data. The result is ready for workflows that use the destination format.
What is retained in the AAC to FLAC conversion?
FLAC stores the converted audio using a lossless or uncompressed encoding. The audible programme is retained in a format suited to high-quality playback, editing, or archiving.
Which apps can open the converted FLAC file?
FLAC plays in current Windows, Android, Linux, VLC, and many music apps; some Apple workflows prefer ALAC.
Does AAC to FLAC run in my browser?
AAC to FLAC uses a compatible conversion engine on our server. The file is transferred over an encrypted connection, processed securely, and automatically deleted shortly after conversion.
Can I batch convert AAC files to FLAC?
Yes. Add multiple AAC files, convert them together, and download each FLAC result separately or collect the completed batch in a ZIP file.
What is the AAC to FLAC file size limit?
AAC files can be up to 500MB. Audio inputs can be up to two hours.