Convert M4A to WAV on Mac
Convert M4A files to WAV format on your Mac with Jollycat. AAC audio in an MP4 container. Apple's standard audio format for iTunes, Apple Music, and Voice Memos. Move from lossy M4A to lossless WAV to preserve quality in future edits. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
M4A vs WAV
| Property | M4A | WAV |
|---|---|---|
| Type | lossy | lossless |
| Compression | AAC lossy | Uncompressed PCM |
| Container | Yes | Yes |
| Common Codecs | AAC, ALAC | PCM, IEEE Float |
| File Extension | .m4a | .wav |
| Key Advantage | Apple ecosystem native | Perfect uncompressed quality |
How to Convert M4A to WAV on Mac
Open your M4A file
Drag and drop your .m4a file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Choose WAV as output
Select WAV from the conversion options. Adjust quality settings, bitrate, or resolution if needed.
Convert and save
Click Convert and Jollycat processes the file instantly on your Mac. No uploads required, no waiting — everything runs locally on Apple Silicon.
When to Convert M4A to WAV
WAV advantages
Perfect uncompressed quality. Universal editing support.
M4A limitations
Less compatible than MP3. Apple-centric.
Common use cases
Music production, Sound recording, Audio editing.
M4A to WAV Conversion Tips
Higher bitrates produce better audio quality but larger files. For music, 256-320 kbps is recommended. For voice recordings, 128 kbps is sufficient.
WAV stores uncompressed PCM audio at up to 192 kHz/32-bit. A 3-minute song is ~30 MB at CD quality.
Frequently Asked Questions
Is the M4A to WAV conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert M4A to WAV and use all 1,650+ conversion paths with no limits.
Does converting M4A to WAV require an internet connection?
No. Jollycat processes everything locally on your Mac. Your M4A files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple M4A files to WAV?
Yes. Drag multiple M4A files onto Jollycat and convert them all to WAV at once. Batch processing is built in.
Ready to Convert M4A to WAV?
Jollycat handles M4A to WAV conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac