Convert AMR to M4R

Convert one or more AMR files to M4R files online using this tool for free.

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To:

Choose Files

drop your
AMR files here

Disclaimer:Please be aware that due to limited server storage, converted files will be automatically purged over time for optimal server performance.

Conversion Settings

Sets the output bitrate for the ringtone. 128 kbps is a good balance between quality and size for mobile playback.

AMR files are usually mono. M4R supports stereo, but keeping mono may preserve compatibility and reduce file size.

iPhones expect M4R files to use 44100 Hz sample rate for best compatibility. AMR files usually use 8000 Hz.

Trim to Max Duration: 30

seconds

M4R ringtone files must be 40 seconds or shorter to be accepted by iPhones. This trims the audio to the given duration (default: 30 seconds).

How to use this AMR to M4R Converter?

Choose Files: Click 👆 on the Choose Files button and choose input AMR files, or you may drag and drop AMR files to the drop area. You may choose one or more audio files. The chosen files are displayed with size information in the same drop area.
Conversion Settings: You may change the conversion parameters like quality 🎛, background color, etc., using the sliders, or color input buttons.
Conversion: Now you can click on the Convert button. This is where the ⛄ magic happens. Your AMR files are sent to the server for conversion. This all happens in a lightening speed ⚡.
Output: Once the AMRs are converted ✅ to M4Rs, they appear in the download section.
Download Files: You may click 👆 on the big Download button to download ↓ all your converted M4Rs, or you may download individual M4R by clicking on the respective download button.
Options: There is also a link 🔗 which you can Copy and share it using which you can download the converted M4R files.

{ "convert": "amr-m4r", "multiple": true, "from": "amr", "to": "m4r", "note": "This conversion transforms AMR files (used in voice recordings and phone systems) into M4R format, which is used for iPhone ringtones. iPhones typically expect M4R files to be under 40 seconds in length and in AAC format.", "controls": [ { "type": "dropdown", "name": "bitrate", "label": "Audio Bitrate", "options": [ { "label": "64 kbps", "value": "64k" }, { "label": "96 kbps", "value": "96k" }, { "label": "128 kbps (Recommended)", "value": "128k" } ], "defaultValue": "128k", "desc": "Sets the output bitrate for the ringtone. 128 kbps is a good balance between quality and size for mobile playback." }, { "type": "dropdown", "name": "channels", "label": "Audio Channels", "options": [ { "label": "Mono (1 channel)", "value": 1 }, { "label": "Stereo (2 channels)", "value": 2 } ], "defaultValue": 1, "desc": "AMR files are usually mono. M4R supports stereo, but keeping mono may preserve compatibility and reduce file size." }, { "type": "dropdown", "name": "sample_rate", "label": "Sample Rate (Hz)", "options": [ { "label": "8000 Hz (AMR Native)", "value": 8000 }, { "label": "22050 Hz", "value": 22050 }, { "label": "44100 Hz (iPhone Compatible)", "value": 44100 } ], "defaultValue": 44100, "desc": "iPhones expect M4R files to use 44100 Hz sample rate for best compatibility. AMR files usually use 8000 Hz." }, { "type": "number", "name": "duration_limit", "label": "Trim to Max Duration", "unit": "seconds", "range": { "min": 1, "max": 40 }, "defaultValue": 30, "desc": "M4R ringtone files must be 40 seconds or shorter to be accepted by iPhones. This trims the audio to the given duration (default: 30 seconds)." } ], "type": "audio" }

Convert AMR to M4R

Converted Files

Conversion Settings

How to use this AMR to M4R Converter?