Convert M4R to OPUS

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

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M4R 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

Specifies the target bitrate for Opus encoding. Lower values reduce file size and are suitable for voice, while higher values provide better fidelity for music.

Sets the number of audio channels. Mono is ideal for ringtones and voice clarity, while stereo adds spatial depth for music.

Opus operates best at 48000 Hz. Lower sample rates reduce size but may affect fidelity.

How to use this M4R to OPUS Converter?

Choose Files: Click 👆 on the Choose Files button and choose input M4R files, or you may drag and drop M4R 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 M4R files are sent to the server for conversion. This all happens in a lightening speed ⚡.
Output: Once the M4Rs are converted ✅ to OPUSs, they appear in the download section.
Download Files: You may click 👆 on the big Download button to download ↓ all your converted OPUSs, or you may download individual OPUS 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 OPUS files.

{ "convert": "m4r-opus", "multiple": true, "from": "m4r", "to": "opus", "note": "Opus is a modern audio codec optimized for voice and streaming. Converting from M4R (AAC-based ringtone) to Opus may reduce file size while preserving quality.", "controls": [ { "type": "dropdown", "name": "bitrate", "label": "Audio Bitrate", "options": [ { "label": "32 kbps (Voice-Only)", "value": "32k" }, { "label": "64 kbps", "value": "64k" }, { "label": "96 kbps", "value": "96k" }, { "label": "128 kbps", "value": "128k" }, { "label": "160 kbps", "value": "160k" } ], "defaultValue": "64k", "desc": "Specifies the target bitrate for Opus encoding. Lower values reduce file size and are suitable for voice, while higher values provide better fidelity for music." }, { "type": "dropdown", "name": "channels", "label": "Audio Channels", "options": [ { "label": "Mono (1 channel)", "value": 1 }, { "label": "Stereo (2 channels)", "value": 2 } ], "defaultValue": 1, "desc": "Sets the number of audio channels. Mono is ideal for ringtones and voice clarity, while stereo adds spatial depth for music." }, { "type": "dropdown", "name": "sample_rate", "label": "Sample Rate (Hz)", "options": [ { "label": "16000 Hz", "value": 16000 }, { "label": "24000 Hz", "value": 24000 }, { "label": "48000 Hz (Default)", "value": 48000 } ], "defaultValue": 48000, "desc": "Opus operates best at 48000 Hz. Lower sample rates reduce size but may affect fidelity." } ], "type": "audio" }

Convert M4R to OPUS

Converted Files

Conversion Settings

How to use this M4R to OPUS Converter?