Convert WAV to M4A

WAV vs M4A: what is the difference?

An uncompressed, near-original format that suits editing and archiving but takes a lot of space. AAC audio in an MP4 container, common on Apple devices and streaming services.

What happens to the sound quality?

WAV is lossless, so converting to M4A saves space but permanently discards some audio detail.

How much will the file size change?

For a 3-minute stereo track, WAV is about 31.8 MB and M4A is about 4.3 MB. Actual sizes depend on the track and settings.

When should you choose M4A?

M4A is a good fit when you are using iPhones and other Apple devices.

FAQ

Does converting WAV to M4A reduce the sound quality?

WAV is lossless, so converting to M4A saves space but permanently discards some audio detail.

Are my files uploaded to a server?

Files never leave your device; everything runs in your browser.

What is the M4A format used for?

AAC audio in an MP4 container, common on Apple devices and streaming services. M4A is a good fit when you are using iPhones and other Apple devices.