Convert M4R to OGG
Convert your M4R files to OGG online
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.
Ogg: the main file and streaming multimedia format
An open standardized format of the multimedia container type. Ogg is in the public domain and has no patent and license restrictions. Allows for playing and editing high-quality digital multimedia files. This format is not supported by devices powered by any Apple platform. An Ogg file can contain audio information and metadata. After compression, you can get files of different quality: medium or high. The compression process entails minimal loss.