RMX Converter

Convert RMX files online for free


Drop or upload your .RMX file
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How to convert your RMX file

  1. Click the "Select File" button above, and choose your RMX file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.

Convert RMX to another file type

The converter easily converts your RMX file to various formats - free and online. No Media Player or extra software needed.

  • RMX to MP3
  • RMX to WAV
  • RMX to AAC
  • RMX to FLAC
  • RMX to OGG
  • RMX to WMA
  • RMX to M4A
  • RMX to AIFF
  • RMX to OPUS
  • RMX to ALAC
  • RMX to APE
  • RMX to WV

Convert a file to RMX

The converter also works in reverse, so you can convert other Audio formats to RMX with high quality output.

  • MIDI to RMX
  • AAC to RMX
  • TTA to RMX
  • AU to RMX
  • WV to RMX
  • DTS to RMX
  • MID to RMX
  • FLAC to RMX
  • RA to RMX
  • MP3 to RMX
  • PCM to RMX
  • WAV to RMX

About RMX files

The .RMX file extension is primarily associated with RealJukebox, a legacy music management software from the late 1990s and early 2000s developed by RealNetworks. These files are typically Secure RealMedia Audio files, a proprietary container format designed to wrap standard RealAudio streams with Digital Rights Management (DRM) protection. This was common during the early digital music era to prevent unauthorized copying.

Users often encounter .RMX files when digging through old hard drive backups or CD archives, only to find they cannot be played by modern media players like VLC or Windows Media Player. The catch is the potential DRM lock; if the file is encrypted, it may require the original RealPlayer installation and valid license keys to open. A secondary, unrelated use for this extension is as a Reference Manager Index File (used by Thomson Reuters' discontinued Reference Manager software), which acts as a search index for a corresponding RMD database file and cannot be opened as a media file.

For audio preservation, the goal is to convert these obsolete containers into open, future-proof formats like MP3 (for universal playback), AAC (for Apple devices), or WAV (for lossless archiving). If the .RMX file is merely a container without active encryption, it can often be converted or even renamed to RA or RM for playback.

Use Convert.Guru to open and convert your RMX file.

Users also converted RMXL, AUDIO, MP3, RMM, SMIL and RM files.



The RMX Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our RMX converter.