Free online tool
Convert WMA to M4A
Free online WMA to M4A converter - runs entirely in your browser. No upload, no account, no file size limit.
Drop WMA files here
WMA · and other formats (MP3, WAV, FLAC, AAC, OGG, M4A, OPUS, WMA, AIFF)
Audio sounds damaged or noisy?
Professional restoration by real engineers - noise removal, voice clarity, echo reduction.
Why convert WMA to M4A?
- →M4A is AAC audio in Apple's container, making it ideal for iPhone, iTunes, and the Apple ecosystem.
- →Your WMA files are processed entirely in your browser - nothing is uploaded to any server.
- →Batch-convert as many files as you need in one click, then download them individually or all at once.
- →M4A is the native Apple container, giving excellent compatibility with iOS and macOS.
How to convert WMA to M4A online
- 1
Upload your WMA files
Drag and drop or click to select files. You can add multiple WMA files at once.
- 2
M4A is pre-selected
The output format is already set to M4A. Optionally adjust quality settings before converting.
- 3
Click Convert
Hit Convert while the audio engine loads in the background. No server involved.
- 4
Download your M4A files
Download files one by one or all at once. No registration, no email, no waiting.
Source format
WMA
Windows Media Audio.
Best for: legacy Windows Media Player libraries.
LossyOutput format
M4A
AAC audio in Apple's container.
Best for: iPhone, iTunes, and the Apple ecosystem.
LossyProfessional audio restoration
Audio sounds noisy or unclear?
Converting format does not fix audio quality issues. If your WMA has noise, hiss, hum, or muffled speech, WefixSound engineers can professionally restore it. Free sample before you pay.
Frequently asked questions
Will I lose quality converting WMA to M4A?
Both formats are lossy. Each re-encode can introduce minor artifacts. Start from the highest-quality source available.
Is the WMA to M4A converter free?
Yes - completely free. No account, no registration, no email required. The tool runs in your browser and processes files locally.
Is my file uploaded to a server?
No. The converter runs entirely inside your browser tab. Your WMA files never leave your device.
Is there a file size limit?
There is no server-side limit. Practical limits depend on your device memory.
Can I convert multiple WMA files to M4A at once?
Yes. Drop as many files as you need into the tool and click Convert.