Online GSRT to M4R, you can put the GSRT to M4R 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 'M4R'
Select output M4R 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 M4R 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.
M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.