# Convert AAC to AMR

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

## How to convert AAC to AMR

1. **Add your AAC files.** Drag and drop AAC 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.
- AAC files are typically used for streaming, mobile audio and video soundtracks, 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.

## AAC vs AMR

|  | AAC | AMR |
| --- | --- | --- |
| Full name | Advanced Audio Coding | Adaptive Multi-Rate |
| Type | Audio | Audio |
| Extensions | .aac | .amr |
| MIME type | audio/aac | audio/amr |
| Best for | streaming, mobile audio and video soundtracks | voice recordings from older phones |
| Properties | lossy compression | lossy compression, legacy format |

**AAC:** AAC is the successor to MP3, delivering better quality at the same bitrate. It's the default audio codec on Apple devices and YouTube.

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

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

## Related conversions

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

## Convert AAC to other formats

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

## AAC to AMR: frequently asked questions

### How do I convert AAC to AMR?

Drop your AAC 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 AAC 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 AAC 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 AAC 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 AAC 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 AAC?

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