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Convert WMA to AAC
WMA is no longer developed, and phones, Macs and cars often cannot play it. AAC delivers better sound than MP3 at the same bitrate.
- Free
- No sign-up
- Batch conversion
Why convert WMA to AAC?
To convert WMA files to AAC, drop them on the counter above.
Most files convert in seconds: no queue, no email address, and the AAC result saves straight to your computer or phone.
How to convert WMA to AAC
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Add your WMA files
Drag your WMA files onto the counter or pick them with Choose files. You can add several at once.
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Check the settings
The defaults suit most cases. Change quality, size or other options if you like; after a change, one click converts again.
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Conversion starts by itself
Each file is converted to AAC and its row is stamped CONVERTED.
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Download your AAC file
Get the file with Download. With several files you can download them all as one ZIP.
WMA vs AAC
| Property | WMA | AAC |
|---|---|---|
| Full name | Windows Media Audio | Advanced Audio Coding |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Created by | Microsoft | MPEG |
| Year | 1999 | 1997 |
| Extensions | .wma | .aac .adts |
| MIME | audio/x-ms-wma | audio/aac |
About the formats
WMA
Windows Media Audio
WMA is the audio format Microsoft built for Windows Media Player. It shows up often in old music libraries and songs ripped from CDs.
AAC
Advanced Audio Coding
AAC is the lossy audio codec developed as the successor to MP3. YouTube, Apple and streaming services use it; .aac files are a raw AAC stream.
Frequently asked questions
Is converting WMA to AAC free?
Yes, completely free. No account, no daily limit, no watermark and no queue.
Does it work on a phone?
Yes. It works on iPhone, iPad and Android, with no app to install.
Is there a file size limit?
There is no size limit set by us. Files of hundreds of MB convert too; very large files take longer and are handled more comfortably on a computer than on a phone.
Other conversions
| Family | Give | → | Get | What you gain |
|---|---|---|---|---|
| WMA | MP3 | plays on every device | ||
| WMA | WAV | lossless, ready to edit · larger file | ||
| WMA | M4A | better than MP3 at the same size | ||
| WMA | OGG | open and royalty-free | ||
| WMA | OPUS | most efficient for speech | ||
| WMA | FLAC | lossless at half size · larger file | ||
| MP3 | AAC | broadcast-grade audio · MP3 recording | ||
| WAV | AAC | broadcast-grade audio · studio recording | ||
| M4A | AAC | broadcast-grade audio · iPhone voice memo | ||
| OGG | AAC | broadcast-grade audio · Telegram voice message | ||
| OPUS | AAC | broadcast-grade audio · WhatsApp voice note | ||
| FLAC | AAC | broadcast-grade audio · lossless archive |