Convert WAV to M4A online in seconds — free, with no sign-up. M4A is lossy and ideal for Apple devices; converted to MP3 for universal playback. Your files are encrypted and deleted automatically after 24 hours.
WAV
Waveform Audio — Uncompressed, studio-grade audio that preserves every sample at large file sizes.
How to convert WAV to M4A
- 1Upload your WAV file
Click “Choose a file” or drag and drop your WAV file onto the page — no sign-up or email needed.
- 2Convert to M4A
M4A is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your M4A file
Your M4A file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
WAV vs M4A
| WAV | M4A | |
|---|---|---|
| Full name | Waveform Audio | MPEG-4 Audio |
| Type | Audio | Audio |
| Compression | Lossless | Lossy |
| Best for | recording, editing and mastering | Apple devices; converted to MP3 for universal playback |
Frequently asked questions
Does converting WAV to M4A lose quality?
WAV is lossless and M4A is compressed, so a small amount of data is discarded. We use a high-quality default, so the M4A file sounds identical to the original to the human ear while being much smaller.
What's the difference between WAV and M4A?
Waveform Audio (WAV) is lossless and best for recording, editing and mastering. MPEG-4 Audio (M4A) is lossy and best for Apple devices; converted to MP3 for universal playback. Convert WAV to M4A when you need a audio for Apple devices.
Is the WAV to M4A converter free?
Yes — converting WAV to M4A is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my WAV files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert WAV to M4A on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert WAV to M4A?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert WAV files to?
Besides M4A, you can convert WAV to AAC, AIFF, FLAC, MP3, OGG, OPUS and more — see the full list of WAV conversions below.
Other conversions
Last updated July 2026