What is a RM file?
RM (RealMedia) is RealNetworks' streaming format from the dial-up internet era, played by RealPlayer. It was introduced in 1997 by RealNetworks.
What RM is good at
- Tiny files for slow connections
- Plays in RealPlayer and VLC
- Historic format useful for old archives
Where RM falls short
- Obsolete compression
- Very limited modern support
When to use RM
- Old RealPlayer libraries
- Restoring early internet video
- Retro projects
Where RM files open
RM files open in RealPlayer, VLC and MPC-HC.
RM compared with MP4
RM or MP4? RM is best for old RealPlayer libraries. MP4 is best for uploading to YouTube, Instagram, TikTok and WhatsApp. Convert RM to MP4 or convert MP4 to RM.
Frequently asked questions
What is a RM file?
RM (RealMedia) is RealNetworks' streaming format from the dial-up internet era, played by RealPlayer. It was introduced in 1997 by RealNetworks.
What are the advantages of RM?
Tiny files for slow connections; plays in realplayer and vlc; historic format useful for old archives.
What are the drawbacks of RM?
Obsolete compression; very limited modern support.
What programs open RM files?
RM files open in RealPlayer, VLC and MPC-HC.
How do I convert a RM file?
Choose the RM converter you need from the list on this page, drop in your file and press Convert. You get your new file in seconds, free and without sign-up.