M4R to GSRT Converter

Convert your m4r files to gsrt online & free

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How to convert m4r to gsrt

Step 1

Upload m4r-file(s)

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose "to gsrt"

Choose gsrt or any other format you need as a result (more than 200 formats supported)

Step 3

Download your gsrt

Let the file convert and you can download your gsrt file right afterwards

How to convert gsrt to m4r

m4r

MPEG 4 Ringtones Audio

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.

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.