M4A to FLAC Converter
Convert M4A (ALAC or AAC) to FLAC — the open, cross-platform format. Free, in your browser, no signup.
Drag & drop your M4A file here, or browse
Need your .m4a as a FLAC? This free converter turns M4A audio into FLAC in seconds — no software or signup. Files up to 30MB are converted directly and nothing is stored after your download.
How to Convert M4A to FLAC
1. Upload your M4A file
Drag a file onto the box above, or click to browse. Both .m4a and .aac are accepted.
2. FLAC is selected
FLAC is lossless, so there's no bitrate to choose — the quality setting doesn't apply.
3. Convert & download
Click Convert & Download. Your FLAC file downloads automatically, ready for any player or library.
Does M4A to FLAC Improve Quality?
It depends on what's inside the .m4a — and this is the honest part. An .m4a can hold either ALAC (lossless) or AAC (lossy). If it's ALAC, converting to FLAC is a perfect, lossless copy. If it's AAC — which is the common case for music from stores and streaming — the FLAC will be a lossless container around already-lossy audio: bigger than the M4A, but sounding exactly the same, because FLAC can't restore detail the AAC compression already discarded. Convert M4A to FLAC for a consistent, open lossless library — not to upgrade a lossy file. See is FLAC lossless? If your source is genuinely ALAC, ALAC to FLAC says so explicitly. Need the reverse? Use FLAC to M4A.
Frequently Asked Questions
How do I convert M4A to FLAC?
Upload your .m4a file, keep FLAC selected, then click Convert & Download. The FLAC is created and downloaded automatically — no software or signup needed.
Does converting M4A to FLAC improve quality?
Only if the M4A already holds lossless ALAC. If it holds lossy AAC, the FLAC wraps that audio losslessly but can't restore what AAC discarded — it sounds the same, just in a bigger file.
How do I know if my M4A is ALAC or AAC?
Most music-store and streaming .m4a files are AAC (lossy); ALAC files are usually ones you ripped or exported as Apple Lossless. Either way this converter produces a valid FLAC.
Is the M4A to FLAC converter free?
Yes — it's completely free, with no account, no watermarks, and no limit on how many files you convert.