将 WAV 转换为 M4A

Free online WAV to M4A converter. Fast, secure, no signup required.

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Accepted: WAV files · Max 100 MB per file

wav m4a

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Need to convert WAV to M4A? MegaConvert makes it easy. Upload your Waveform Audio (WAV) file and get a MPEG-4 Audio (M4A) file in seconds — no software to install, no signup required. Whether you need this conversion for music playback, podcasting, device compatibility / web streaming, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert WAV to M4A Online

1
Upload your WAV file
Click the upload area or drag and drop your WAV file. Files up to 25MB are free. Larger files are supported with pay-per-use.
2
Choose M4A as output format
M4A is automatically selected on this page. You can adjust conversion settings if needed.
3
Click Convert
Hit the Convert button to start processing. Your file will be converted using our high-performance servers.
4
Download your M4A file
Once conversion is complete, click Download to save your new M4A file. Free files are available for 1 hour.

Why Convert WAV to M4A?

**Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
**Software requirements** — Your software or platform may require M4A format specifically. Converting ensures full compatibility.

WAV vs M4A — Format Comparison

Feature	WAV	M4A
Full Name	Waveform Audio	MPEG-4 Audio
Developer	Microsoft and IBM	Apple (based on MPEG-4)
First Released	1991	2001
Category	Audio	Audio
Extension	.wav	.m4a
MIME Type	audio/wav	audio/mp4

Converting from lossy to lossless does not improve quality. Start from lossless source when possible.

About WAV Format

Uncompressed audio format providing exact reproduction of the original recording.

Full name: Waveform Audio

Developer: Microsoft and IBM (1991)

About M4A Format

Apple's audio format using AAC or ALAC codec within an MP4 container.

Full name: MPEG-4 Audio

Developer: Apple (based on MPEG-4) (2001)

常见问题

Upload your WAV file to MegaConvert.io, select M4A as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.

Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.

Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.

Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.

Uncompressed audio format providing exact reproduction of the original recording. Developer: Microsoft and IBM (1991).

Apple's audio format using AAC or ALAC codec within an MP4 container. Developer: Apple (based on MPEG-4) (2001).