Convert M4A files into the lossless FLAC format to archive them consistently in a music collection. Conversion runs right in your browser, so your files are not uploaded by default.
In “Local” mode your file never leaves your device. No uploads, no server – ideal for sensitive recordings.
Pick “Local” for full privacy or “Server” for very large files and every format.
No sign-up, no queue, no watermark. Choose a file, convert, download.
No. FLAC preserves the M4A's sound exactly, but the detail lost during AAC encoding does not return. You won't get true studio quality out of an M4A.
When your collection or player expects a single lossless format and you want to fold existing M4A files into it.
Yes. FLAC wraps the audio losslessly, but it needs more storage than the compact, lossy M4A.
No, conversion runs locally in your browser by default. An optional server mode is available for very large files.