Adaptive Multi-Rate
A speech codec used for phone calls and voice recordings.
- Type
- audio
- Best for
- voice recordings
Drop your AMR and get an M4R back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
A speech codec used for phone calls and voice recordings.
The AAC-based file type iPhones use for ringtones, up to 40 seconds long.
iPhone ringtones can be up to 40 seconds, so set a trim range under More options to pick the best part.
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Yes. Drop as many as you like, and the results can be downloaded together as a ZIP.
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
iPhone ringtones can be up to 40 seconds, so set a trim range under More options to pick the best part.