Convert WAV to M4A
Free, private, and instant. Your WAV files are converted to M4A entirely inside your browser — nothing is uploaded to a server, so there's no waiting for uploads and no privacy risk.
Convert WAV to M4A NowAbout WAV (Waveform Audio File Format)
Uncompressed PCM audio — a bit-perfect copy of the recording with zero quality loss. WAV is the standard for studio work, DJ sets, mastering, and any workflow where the file will be edited or processed again. The tradeoff is size: roughly 10 MB per minute of stereo audio at CD quality.
Best for: studio editing, mastering, DJing, archiving masters
About M4A (MPEG-4 Audio)
The container Apple uses for AAC audio — an .m4a file is what iTunes and Apple Music produce. It supports chapters and rich metadata, which makes it a common choice for audiobooks and podcasts in the Apple ecosystem.
Best for: iTunes/Apple Music libraries, Apple Books audiobooks, podcasts
How to convert WAV to M4A
- Open the converter — M4A will be preselected as the output format.
- Drag and drop your WAV files (batch conversion supported).
- Optionally pick a platform preset (ACX audiobook, Spotify, podcast) or enable loudness normalization, silence trimming, or noise reduction.
- Click Convert — processing happens on your own device.
- Preview the result and download your M4A files.
WAV vs M4A: what changes?
WAV is a lossless format, while M4A is lossy. Converting to M4A compresses the audio to a much smaller file. Choose a high bitrate (192-320 kbps) to keep the difference inaudible.