Click the "Select File" button above, and choose your MRB file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert MRB to another file type
To convert MRB bundles to another format, you need MRI Software or other Data software.
Convert a file to MRB
To convert other file formats to the "Proprietary Data Bundle" file type, you need software like MRI Software or a similar tool.
About MRB files
A .MRB file is most frequently encountered as a Model Report Binary used in real estate management by MRI Software. It can also represent a Medical Imaging Scene Bundle for the open-source 3D Slicer application, or a legacy video file encoded with the Mobiclip Video Codec often used on Nintendo handheld consoles. Developers might also see it as compiled bytecode for the mruby lightweight Ruby implementation.
The main disadvantage of .MRB files is their highly specialized and proprietary nature. MRI Software reports require specific, costly enterprise database setups to view. Mobiclip video files are closed-source and unsupported by modern web browsers or standard media players like VLC. 3D Slicer files are actually standard ZIP archives containing complex volumetric medical imaging data (like .NRRD or NII), but the obscure .MRB extension confuses standard extraction tools.
Because of these limitations, users frequently need to convert .MRB files into accessible formats. Medical imaging bundles should be extracted to raw formats like .NRRD, NII, or standard PNG images for easier sharing. MRI reports should ideally be exported as PDF or CSV directly from the source software if possible.
This file format is difficult to open or convert because standard converters cannot differentiate between the multiple proprietary systems that use the .mrb extension. Often, only the original software can properly read or export the data. However, convert.guru can still identify the file format, inspect the file, and show text or internal content. If our analysis detects a supported underlying or embedded format - such as the ZIP structure of a 3D Slicer file - viewing or conversion may still be possible. Just drag and drop your file to see what it is and convert it if supported.
Convert.Guru analyzes your MRB file, detects the exact format, and lets you read the text inside.
If you want to convert MRB file to JPG, PDF, PNG, GIF, BMP, TIFF, TIF, WEBP, ICO, CUR, PSD or PSB, you can use MRI Software or similar software from the "Real Estate & Medical Data" category. In the File menu, look for Save As… or Export….
To convert RAW, PNG, AI, NEF, PSB, DNG, SVG, GIF, EPS, JPG, ARW or PDF files to MRB, try MRI Software or another comparable tool in the "Real Estate & Medical Data" category.
The MRB 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 MRB converter.