Free online FLAC Audio to M4A Audio converter. Files are processed locally in your browser — no uploads, 100% private.
Drop your .FLAC file here
or click to browse from your device
100% browser-based — no server uploads, no cloud processing
Free forever — no account or subscription required
Supports batch conversion for multiple files at once
Works on any device — desktop, tablet, and mobile
Results available in seconds — no server queue or wait time
Files are cleared immediately after processing for maximum privacy
Free Lossless Audio Codec — perfect reconstruction
AAC audio in MPEG-4 container — iTunes and Apple default
M4A is an industry-standard format with universal support
Source: Free Lossless Audio Codec — perfect reconstruction
Output: AAC audio in MPEG-4 container — iTunes and Apple default
100% browser-based processing — files never leave your device
File sizes 5–8x larger than equivalent MP3
Not all mobile devices support native playback
Overkill for casual listening scenarios
High-fidelity audiophile music collections
Studio recording backups and masters
CD ripping for lossless personal archives
Audio post-production source files
FLAC level 5 is the best tradeoff between compression ratio and encoding speed
Verify FLAC checksums after encoding to ensure data integrity
Use FLAC for archiving; convert to AAC or MP3 for portable distribution
Embedded cover art can increase FLAC file size by several megabytes
Drag & drop your file or click to browse
Files are processed instantly in your browser
Save your converted or processed file
Upload your FLAC file using the drop zone above. Your file is instantly converted to M4A format right in your browser — no server upload, no waiting.
Completely. Our converter processes your FLAC file 100% in your browser using client-side code. It never leaves your device or touches any external server.
It depends on the formats. Converting from lossless to lossy (e.g. PNG to JPEG) may reduce quality. Converting lossless-to-lossless (e.g. PNG to WebP lossless) preserves all quality.
Free, instant, and 100% private. Your files are processed locally in your browser.