# Convert WMA to AMR

> Convert WMA to AMR online for free in seconds. Files are processed in a secure, isolated sandbox and deleted automatically. No sign-up, no watermarks.

URL: https://www.converterrr.com/wma-to-amr

- Runs in an isolated cloud sandbox with FFmpeg: files are deleted automatically, and the job uses cloud credits.
- Engines: FFmpeg (cloud).
- API: available. `POST /api/v1/jobs` with `"output_format": "amr"` (paid plans).
- More: [Audio converter](https://www.converterrr.com/audio-converter), [WMA converter](https://www.converterrr.com/wma-converter).

## How to convert WMA to AMR

1. **Add your WMA files.** Drag and drop WMA files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose AMR.** AMR is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Files are processed in a secure cloud sandbox and are usually ready in seconds.
4. **Download your AMR.** Download each AMR file, or everything at once as a ZIP.

## Good to know

- We encode at a high-quality bitrate by default. Pick a specific bitrate or sample rate under Options.
- WMA files are typically used for legacy Windows music collections, while AMR is best for voice recordings from older phones.
- This conversion runs on FFmpeg in an isolated cloud sandbox. Files are encrypted in transit and deleted automatically.

## WMA vs AMR

|  | WMA | AMR |
| --- | --- | --- |
| Full name | Windows Media Audio | Adaptive Multi-Rate |
| Type | Audio | Audio |
| Extensions | .wma | .amr |
| MIME type | audio/x-ms-wma | audio/amr |
| Best for | legacy Windows music collections | voice recordings from older phones |
| Properties | proprietary, legacy format | lossy compression, legacy format |

**WMA:** WMA is Microsoft's Windows Media audio format, common in older Windows music libraries.

**AMR:** AMR is a speech codec used by mobile phones for voice recordings and calls.

The other way around: [convert AMR to WMA](https://www.converterrr.com/amr-to-wma).

## Related conversions

- [AMR to WMA](https://www.converterrr.com/amr-to-wma) (in the browser)
- [WMA to MP3](https://www.converterrr.com/wma-to-mp3) (in the browser)
- [MP3 to AMR](https://www.converterrr.com/mp3-to-amr) (cloud)
- [WMA to WAV](https://www.converterrr.com/wma-to-wav) (in the browser)
- [MP4 to AMR](https://www.converterrr.com/mp4-to-amr) (cloud)
- [WMA to M4A](https://www.converterrr.com/wma-to-m4a) (in the browser)
- [WAV to AMR](https://www.converterrr.com/wav-to-amr) (cloud)
- [WMA to FLAC](https://www.converterrr.com/wma-to-flac) (in the browser)
- [MOV to AMR](https://www.converterrr.com/mov-to-amr) (cloud)
- [WMA to AAC](https://www.converterrr.com/wma-to-aac) (in the browser)
- [M4A to AMR](https://www.converterrr.com/m4a-to-amr) (cloud)
- [WMA to OGG](https://www.converterrr.com/wma-to-ogg) (in the browser)

## Convert WMA to other formats

[WMA to MP3](https://www.converterrr.com/wma-to-mp3), [WMA to WAV](https://www.converterrr.com/wma-to-wav), [WMA to M4A](https://www.converterrr.com/wma-to-m4a), [WMA to FLAC](https://www.converterrr.com/wma-to-flac), [WMA to AAC](https://www.converterrr.com/wma-to-aac), [WMA to OGG](https://www.converterrr.com/wma-to-ogg), [WMA to Opus](https://www.converterrr.com/wma-to-opus), [WMA to AIFF](https://www.converterrr.com/wma-to-aiff), [WMA to M4B](https://www.converterrr.com/wma-to-m4b), [WMA to AC3](https://www.converterrr.com/wma-to-ac3), [WMA to MP2](https://www.converterrr.com/wma-to-mp2), [WMA to WEBA](https://www.converterrr.com/wma-to-weba), [WMA to OGA](https://www.converterrr.com/wma-to-oga), [WMA to MKA](https://www.converterrr.com/wma-to-mka), [WMA to WV](https://www.converterrr.com/wma-to-wv), [WMA to AU](https://www.converterrr.com/wma-to-au), [WMA to TTA](https://www.converterrr.com/wma-to-tta)

## Convert other formats to AMR

[MP3 to AMR](https://www.converterrr.com/mp3-to-amr), [MP4 to AMR](https://www.converterrr.com/mp4-to-amr), [WAV to AMR](https://www.converterrr.com/wav-to-amr), [MOV to AMR](https://www.converterrr.com/mov-to-amr), [M4A to AMR](https://www.converterrr.com/m4a-to-amr), [WebM to AMR](https://www.converterrr.com/webm-to-amr), [FLAC to AMR](https://www.converterrr.com/flac-to-amr), [MKV to AMR](https://www.converterrr.com/mkv-to-amr), [AAC to AMR](https://www.converterrr.com/aac-to-amr), [AVI to AMR](https://www.converterrr.com/avi-to-amr), [OGG to AMR](https://www.converterrr.com/ogg-to-amr), [WMV to AMR](https://www.converterrr.com/wmv-to-amr), [Opus to AMR](https://www.converterrr.com/opus-to-amr), [FLV to AMR](https://www.converterrr.com/flv-to-amr), [M4V to AMR](https://www.converterrr.com/m4v-to-amr), [MPEG to AMR](https://www.converterrr.com/mpeg-to-amr), [3GP to AMR](https://www.converterrr.com/3gp-to-amr), [AIFF to AMR](https://www.converterrr.com/aiff-to-amr), [MPG to AMR](https://www.converterrr.com/mpg-to-amr), [TS to AMR](https://www.converterrr.com/ts-to-amr), [M4B to AMR](https://www.converterrr.com/m4b-to-amr), [MTS to AMR](https://www.converterrr.com/mts-to-amr), [VOB to AMR](https://www.converterrr.com/vob-to-amr), [M2TS to AMR](https://www.converterrr.com/m2ts-to-amr)

## WMA to AMR: frequently asked questions

### How do I convert WMA to AMR?

Drop your WMA file onto the converter above, make sure AMR is selected, and click Convert. When it's done, download the AMR file — it usually takes a few seconds.

### Is it safe to convert WMA to AMR here?

Yes. Your file is sent over an encrypted connection to an isolated sandbox that's created for your job only, then both the original and the result are deleted automatically.

### Is the WMA to AMR converter free?

Yes. Cloud conversions like this one use credits, and you get free credits every day (3 without an account, 10 with a free account).

### Will converting WMA to AMR reduce quality?

AMR is a lossy format, but our defaults are tuned to be visually indistinguishable for most files. You can raise the quality under Options.

### Can I convert multiple WMA files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

### Can I convert AMR back to WMA?

Yes — use our AMR to WMA converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.