Online GSRT to AMR, you can put the GSRT to AMR format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload GSRT 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 GSRT file
After the conversion you can download your AMR file and upload it to Google Drive, Dropbox.
gsrt : Grandstream ring-tone files
Grandstream ring-tone files. Whilst this file format can contain A-Law, μ-law, GSM, G.722, G.723, G.726, G.728, or iLBC encoded audio, SoX supports reading and writing only A-Law and μ-law.
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.