What is RM file?

RM(abbreviation of real media) file is a streaming media file format that was invented and first used by RealNetworks company, which includes Real Audio, Real Video and Real Flash. The feature of rm format is that different compression ratio can be made according to the data transfer rate of the network. Its extension is ".rm". It is typically used in conjunction with RealVideo and RealAudio and is popular for streaming content over the internet.

What is MP3 file?

MPEG-1 Audio Layer 3
File extension: .mp3
MIME type: audio/mpeg
Type of format: Audio

The MP3 format is a compression system for music. It helps reduce the number of bytes in a song without noticably affecting the quality of the song's sound. With the similar sound quality, the mp3 format file can save your disk storage space comparing with some other formats of audio files.

Why do I need to convert a rm file into a mp3 file?

As mentioned in the introduction of rm file, rm files include audio and video files. Generally speaking, real player or some special newly developed players are needed if one wants to play a rm file, since the ordinary players don't support to play them all. For audio files, mp3 files are widely supported by a lot of media players, which makes it very popular in public. For those video rm files, if one just wants to keep the audio part, one can draw the audio data from the rm file, and keep it as an audio file format that can be easy to play. So in most cases, we choose mp3 file format for its advantages.

How can I convert a rm file into a mp3 file?

RM to MP3 Converter and Mini-stream Ripper can help you to deal with that work. Have a try with either or both of them, you will find an amazing result.