100% Secure & Private
RGH Converter
RGH to any format, in batch and offline. reaConverter gives you full control over quality and output settings.
How to Convert .rgh Files in Bulk
1. Install reaConverter
2. Select RGH Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless RGH 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 RGH 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 June 30, 2026
Questions & Answers
RGH files: Frequently Asked Questions
What are RGH files?
The RGH format is associated with ZZ Rough, an image processor released in the late 1980s. The extension is currently considered uncommon and obsolete. In case you found such an image or were sent one, it is probably very old and difficult to open using regular image viewers.
Can reaConverter open RGH files?
reaConverter fully supports the RGH file format – open, edit, and export RGH files to any other popular file format with ease.
How do I change RGH to another format?
reaConverter is a user-friendly tool for converting RGH files. Once installed on your computer, it allows you to convert all your .rgh files at once with just a few clicks. You can even convert rgh images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert RGH online?
If you only want to convert a few RGH files, you are welcome to try our free online RGH converter.
How can I turn RGH files on my computer to another format?
The best way to convert RGH 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 RGH.
How can I automate RGH 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 RGH 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 rgh converter.
What else can I do with reaConverter?
Convert GIS filesConvert CAD formatsSet file dateChange format settingsCopy EXIF data
What formats can I convert a RGH file to?
Discover More
Beyond RGH conversion
Convert .rgh files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
