Online 3g2 to amr, you can put the 3g2 to amr format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload 3g2 file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'amr'
Select output amr or any other format as the conversion result (click the Convert button)
Step 3
Download your 3g2 file
After the conversion you can download your amr file and upload it to Google Drive, Dropbox.
3g2 : 3GPP2 file format
The 3G2 or 3GPP2 file format is a video container format, very similar to the 3GP format. The difference is that 3G2 can store some additional audio streams like EVRC.
AMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.