Free online WMA to AMR converter
Can I convert .wma audio to .amr format?
Convert WMA to AMR online - free
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Perform .wma to .amr conversion
After successful file upload, click to convert when you are ready.
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How to convert wma to amr file
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You will find several reliable solutions for converting Windows Media Audio Files directly to Adaptive Multi-Rate Codec Files (.wma to .amr conversion); a fairly simple task.
Your best bet would be using tools, such as MediaCoder or SUPER, which allow users to import WMA audio and export it in AMR format.
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Understanding WMA and AMR file formats
WMA (Windows Media Audio) is a proprietary audio format developed by Microsoft, commonly used for music and audio streaming due to its efficient compression and good sound quality. AMR (Adaptive Multi-Rate) is an audio format optimized for speech coding, widely used in mobile devices for voice recordings and calls.
Why convert WMA to AMR?
Converting WMA to AMR is useful when you need to play audio files on mobile phones or devices that support AMR for voice memos or ringtones, especially when storage space is limited and speech quality is prioritized over music fidelity.
Best software for WMA to AMR conversion
One of the most reliable tools for converting WMA to AMR is Audacity (with the FFmpeg library installed). Alternatively, Any Audio Converter and Online Audio Converter (web-based) are user-friendly options.
How to convert WMA to AMR using Audacity
- Install Audacity and the FFmpeg library for extended format support.
- Open Audacity and go to File → Open to select your WMA file.
- Edit or trim the audio if needed.
- Go to File → Export → Export as AMR (narrowband).
- Choose your destination folder and click Save.
Online alternatives
For quick conversions without installing software, use Online Audio Converter (online-audio-converter.com):
- Upload your WMA file.
- Select AMR as the output format.
- Click Convert and download the resulting AMR file.
Tips for best results
- AMR is best for speech; music may lose quality after conversion.
- Check your device’s AMR compatibility before converting large batches.
- Always keep a backup of your original WMA files.
WMA vs AMR: format comparison
How the WMA and AMR formats compare on the properties that matter most for this conversion.
| Property | .WMA Windows Media Audio | .AMR Adaptive Multi-Rate Audio Codec |
|---|---|---|
| Compression | Lossy | Lossy |
| Audio quality | Medium | Low |
| Audio channels | Up to stereo | Mono |
| Metadata support | Basic | Basic |
| Streaming | Yes | Yes |
| DRM protection | Optional | — |
| Opens in a web browser | No | No |
| Typical file size | Small | Very small |
| Open standard | No | Partly open |
| Best used for | Music | Speech and voice |
| Introduced | 1999 | 1999 |
| Developer | Microsoft | 3GPP |
| MIME type | audio/x-ms-wma | audio/amr |
Suggested software and links: wma to amr converters
Frequently asked questions
Is the WMA to AMR converter free?
Yes, converting WMA to AMR on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my WMA file be?
You can upload WMA files up to 1000 MB and convert up to 100 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert WMA to AMR?
No. The WMA to AMR conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid WMA file for this WMA to AMR conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.
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