- Is MP3 to M4R free?
- Yes, it's completely free and no sign-up is required.
- Are my files uploaded to a server?
- No. MP3 to M4R runs in your browser: your files and data never leave your device.
- What formats does MP3 to M4R accept?
- Accepts: MP3.
- Does it work on my phone?
- Yes. It works in the browser on phones, tablets and computers, with nothing to install.
