100% Secure & Private
MGR Converter
Convert MGR files without uploading anywhere. reaConverter works offline, handling thousands of files in a single pass.
How to Convert .mgr Files in Bulk
1. Install reaConverter
2. Select MGR Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless MGR file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.
Extra Tools
Do more with your files
Converting MGR files for use in a larger project? reaConverter offers many ways to process files, so you can customize them according to your requirements.
Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.
User reviews
From those who tried it
Average User Rating:Last updated on July 29, 2026
Questions & Answers
MGR files: Frequently Asked Questions
What are MGR files?
MGR is an archaic bitmap image associated with a window managing system developed in the 1980s. The format is currently considered obsolete and might be difficult to open using regular image viewers.
Can reaConverter open MGR files?
reaConverter fully supports the MGR file format – open, edit, and export MGR files to any other popular file format with ease.
How do I change MGR to another format?
reaConverter is a user-friendly tool for converting MGR files. Once installed on your computer, it allows you to convert all your .mgr files at once with just a few clicks. You can even convert MGR files directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert MGR online?
If you only want to convert a few MGR files, you are welcome to try our free online MGR converter.
How can I turn MGR files on my computer to another format?
The best way to convert MGR files on your PC is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from MGR.
How can I automate MGR files conversion?
reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.
Can I convert MGR files using scripts or the command-line interface?
reaConverter provides full access to all its features from the Windows command-line shell, including the command-line mgr converter.
What else can I do with reaConverter?
Convert Gerber filesConvert picture color spaceConvert whole-slide imagesResize pictureConvert PDF files
What formats can I convert a MGR file to?
Discover More
Beyond MGR conversion
Convert .mgr files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.
