Wraps the audio in FLAC format for music libraries or players that prefer FLAC over Apple's M4A container.
Drag & drop audio files here, or browse
Drop your M4A files here
Wraps the audio in FLAC format for music libraries or players that prefer FLAC over Apple's M4A container.
Drop your M4A files onto this page, pick your quality settings for FLAC output, and click Convert. Everything runs in your browser and nothing is uploaded.
M4A is the container Apple uses for AAC audio. Same codec as AAC, just in a different wrapper. iTunes, Apple Music, and all Apple devices use M4A by default.
FLAC compresses audio to about half the original size without losing any quality. You can always decode it back to the exact original. Popular for music archiving and audiophile collections.
Yes. All conversion happens in your browser using WebAssembly. Your audio files never leave your device and aren't uploaded anywhere.
There's no hard limit, but very large files (over 2 GB total) may be slow or run into browser memory constraints.