# Convert CAF to AMR

> Convert CAF 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/caf-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), [CAF converter](https://www.converterrr.com/caf-converter).

## How to convert CAF to AMR

1. **Add your CAF files.** Drag and drop CAF 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.
- CAF files are typically used for audio assets for iOS and macOS apps, 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.

## CAF vs AMR

|  | CAF | AMR |
| --- | --- | --- |
| Full name | Core Audio Format | Adaptive Multi-Rate |
| Type | Audio | Audio |
| Extensions | .caf | .amr |
| MIME type | audio/x-caf | audio/amr |
| Best for | audio assets for iOS and macOS apps | voice recordings from older phones |
| Properties | – | lossy compression, legacy format |

**CAF:** CAF is Apple's Core Audio container, used for iOS sound effects and ringtones without size limits.

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

## Related conversions

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

## Convert CAF to other formats

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

## CAF to AMR: frequently asked questions

### How do I convert CAF to AMR?

Drop your CAF 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 CAF 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 CAF 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 CAF 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 CAF 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.