# Convert MP3 to AMR

> Convert MP3 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/mp3-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), [MP3 converter](https://www.converterrr.com/mp3-converter), [Compress MP3](https://www.converterrr.com/compress-mp3).

## How to convert MP3 to AMR

1. **Add your MP3 files.** Drag and drop MP3 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.
- MP3 files are typically used for music libraries, podcasts and audio for any device, 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.

## MP3 vs AMR

|  | MP3 | AMR |
| --- | --- | --- |
| Full name | MPEG Audio Layer III | Adaptive Multi-Rate |
| Type | Audio | Audio |
| Extensions | .mp3 | .amr |
| MIME type | audio/mpeg | audio/amr |
| Best for | music libraries, podcasts and audio for any device | voice recordings from older phones |
| Properties | lossy compression | lossy compression, legacy format |

**MP3:** MP3 is the most compatible audio format in the world. Its lossy compression keeps music small enough to share while sounding close to CD quality.

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

The other way around: [convert AMR to MP3](https://www.converterrr.com/amr-to-mp3).

## Related conversions

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

## Convert MP3 to other formats

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

## Convert other formats 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), [WMA to AMR](https://www.converterrr.com/wma-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)

## MP3 to AMR: frequently asked questions

### How do I convert MP3 to AMR?

Drop your MP3 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 MP3 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 MP3 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 MP3 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 MP3 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 MP3?

Yes — use our AMR to MP3 converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.