M4R to AAC converter

Convert M4R to AAC for free, right in your browser. Your files never leave your device.

Choose M4R files or drop them here · paste a link below

Converted on your device · never uploaded · Free limits

Where it runs: On your device
Free allowance: Unlimited
Typical time: Usually under 5 seconds
Sign-up: Not needed

What happens to your M4R

This conversion runs inside your browser, so the file is never uploaded. Files over 400 MB are sent to our server instead, and deleted within 60 minutes.

How to convert M4R to AAC

Choose your file Tap Choose files and pick the M4R file, or drop it onto the page. You can add several at once.
Convert to AAC The conversion starts on your device straight away. Nothing is uploaded.
Download Tap Download to save the result.

What is an M4R file?

An AAC audio file renamed for iPhone ringtones. Ringtones must be 40 seconds or shorter.

iPhone (through Finder or iTunes) and GarageBand.

More about M4R files

What is an AAC file?

Raw AAC audio, the successor to MP3 used by YouTube, iTunes and most streaming services.

VLC, iTunes, Android and most modern players open AAC.

More about AAC files

Questions

Is converting M4R to AAC free?

Yes, completely. This conversion runs on your device, so there is no daily limit and no sign-up. We never ask you to pay after you have converted.

Is it safe to convert my M4R files here?

Yes. The conversion happens inside your browser, and the file never leaves your phone or computer.

How long does M4R to AAC take?

Usually under 5 seconds. Bigger files take longer, and you can watch the progress on each file.

Can I convert M4R to AAC on my iPhone or Android phone?

Yes. The converter works in Safari, Chrome and any modern browser. Tap Choose files, pick from Photos or Files, and download the result to your phone.

How do I open an AAC file?