Convert GSM to M4R
Convert your GSM files to M4R online
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GSM digital audio format
Developed in Europe, this format was designed for mobile users. GSM is used for audio files that contain a large amount of audio information. Suitable for voice recordings, including recordings of phone calls. You can compress and archive a GSM file to achieve a different file size. The format is mostly used to create and store voice information. There are 4 types of this format that can be opened using different applications.
M4R: the ringtone file used in Apple iOS
The M4R format is used in Apples mobile devices, mostly for storing ringtones. You can create an M4R file by converting other formats or downloading it from the official iTunes store. The sound conversion employs a special type of compression, which significantly reduces the file size. The advantages of this format make it ideal for iPhone owners. M4R is one of the constituents of the standardized MPEG-4 format. One of its strong points is that the high sound quality is fully preserved after compression.
❓How to convert audio M4R to GSM ?
Simply upload the M4R file in step 1, then select the GSM format and click "Convert". All! After the file conversion process is completed, you can download it.
⏳How long does it take to convert M4R to GSM ?
It all depends on the size of the file you are uploading. But thanks to our most powerful servers and technologies, the M4R file conversion is carried out as quickly as possible. Also, in the process of converting a file to GSM, you can monitor the progress of file encoding.
🛡️Is it safe to convert M4R online?
We guarantee that your uploaded M4R files are completely safe. All GSM and M4R files are deleted from the server a few minutes after the conversion process is completed.
📱How to convert M4R on Iphone or android online?
Our service works on all OS and mobile devices. Everything is very simple! Load the M4R file, select the GSM file type in "step 2" and start the conversion.