# Convert MP4 to AMR

> Convert MP4 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/mp4-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: [Video converter](https://www.converterrr.com/video-converter), [MP4 converter](https://www.converterrr.com/mp4-converter), [Compress MP4](https://www.converterrr.com/compress-mp4).

## How to convert MP4 to AMR

1. **Add your MP4 files.** Drag and drop MP4 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

- Only the audio track is kept — the result is an AMR file you can play anywhere. Use Options to pick a bitrate.
- MP4 files are typically used for sharing, streaming and uploading video anywhere, 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.

## MP4 vs AMR

|  | MP4 | AMR |
| --- | --- | --- |
| Full name | MPEG-4 Part 14 | Adaptive Multi-Rate |
| Type | Video | Audio |
| Extensions | .mp4 | .amr |
| MIME type | video/mp4 | audio/amr |
| Best for | sharing, streaming and uploading video anywhere | voice recordings from older phones |
| Properties | lossy compression, open standard | lossy compression, legacy format |

**MP4:** MP4 is the most widely supported video container. It usually holds H.264 or H.265 video with AAC audio and plays on every device and platform.

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

## Related conversions

- [MP4 to MP3](https://www.converterrr.com/mp4-to-mp3) (in the browser)
- [MP3 to AMR](https://www.converterrr.com/mp3-to-amr) (cloud)
- [MP4 to WebP](https://www.converterrr.com/mp4-to-webp) (in the browser)
- [MP4 to MOV](https://www.converterrr.com/mp4-to-mov) (in the browser)
- [WAV to AMR](https://www.converterrr.com/wav-to-amr) (cloud)
- [MP4 to GIF](https://www.converterrr.com/mp4-to-gif) (in the browser)
- [MOV to AMR](https://www.converterrr.com/mov-to-amr) (cloud)
- [MP4 to WAV](https://www.converterrr.com/mp4-to-wav) (in the browser)
- [M4A to AMR](https://www.converterrr.com/m4a-to-amr) (cloud)
- [MP4 to WebM](https://www.converterrr.com/mp4-to-webm) (in the browser)
- [WebM to AMR](https://www.converterrr.com/webm-to-amr) (cloud)
- [MP4 to MKV](https://www.converterrr.com/mp4-to-mkv) (in the browser)

## Convert MP4 to other formats

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

## Convert other formats to AMR

[MP3 to AMR](https://www.converterrr.com/mp3-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)

## MP4 to AMR: frequently asked questions

### How do I convert MP4 to AMR?

Drop your MP4 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 MP4 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 MP4 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 MP4 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 MP4 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.