GRB Converter

Use our full-featured utility to easily convert your GRB files into other file format in seconds — perfect for batch conversion and processing.

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Convert GRB on your PC

For quick and effortless GRB 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.

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Do more with your files

Converting GRB 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.

Conversion features

User Reviews

Average User Rating:
Last updated on February 26, 2025

"We receive artwork in all kinds of formats from clients. reaConverter takes care of converting them all to print-ready specs automatically using Watch Folders. It reduces errors, saves us time, and has improved our turnaround time with customers. Incredibly powerful software."

Michael D.

Print Shop Owner

"I use the online converter — it’s quick and hassle-free!"

Jian Wong

Happy Online User

"I'm really impressed with this software - it converts files between formats incredibly fast!"

Lin Zhang

Happy User

"reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically — exactly how I need it. This is pro-level automation made simple."

Chloe M.

Freelance Illustrator

"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"

Helen Evans

Satisfied Customer

"I deal with hundreds of images daily, and reaConverter has been a lifesaver. The Watch Folders feature lets me automate file conversions without lifting a finger. I set up a folder for incoming files and it automatically resizes, renames, and converts them into the formats I need. It's like having a personal assistant!"

Sarah T.

Graphic Designer

GRB files: Frequently Asked Questions

Can reaConverter open GRB files?

reaConverter fully supports the GRB file format – open, edit, and export GRB files to any other popular file format with ease.

How do I change GRB to another format?

reaConverter is a user-friendly tool for converting GRB files. Once installed on your computer, it allows you to convert all your .grb files at once with just a few clicks. You can even convert grb images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert GRB online?

If you only want to convert a few GRB files, you are welcome to try our free online GRB converter.

How can I turn GRB files on my computer to another format?

The best way to convert GRB 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 GRB.

How can I automate GRB 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 GRB 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 grb converter.

What else can I do with reaConverter?

Convert vector images Convert picture color space Convert Gerber images Crop picture Convert CAD formats