M4R to GSM Converter

Convert your m4r files to gsm online & free

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How to convert m4r to gsm

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 gsm"

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

Step 3

Download your gsm

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

How to convert gsm 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.

gsm

GSM 06.10 Lossy Speech Compression

GSM 06.10 Lossy Speech Compression. A lossy format for compressing speech which is used in the Global Standard for Mobile telecommunications (GSM). It’s good for its purpose, shrinking audio data size, but it will introduce lots of noise when a given audio signal is encoded and decoded multiple times. This format is used by some voice mail applications. It is rather CPU intensive.