100% Secure & Private
RLB Converter
Convert RLB files without uploading anywhere. reaConverter works offline, handling thousands of files in a single pass.
How to Convert .rlb Files in Bulk
1. Install reaConverter
2. Select RLB Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless RLB 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 RLB 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 29, 2026
Questions & Answers
RLB files: Frequently Asked Questions
What are RLB files?
The RLB extension is attached to bitmap images created using software by Wavefront Technologies. The latter was a company specialized in animation software and became part of Silicon Graphics in mid-1990s. The RLB format is currently considered uncommon and obsolete.
Can reaConverter open RLB files?
reaConverter fully supports the RLB file format – open, edit, and export RLB files to any other popular file format with ease.
How do I change RLB to another format?
reaConverter is a user-friendly tool for converting RLB files. Once installed on your computer, it allows you to convert all your .rlb files at once with just a few clicks. You can even convert rlb images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert RLB online?
If you only want to convert a few RLB files, you are welcome to try our free online RLB converter.
How can I turn RLB files on my computer to another format?
The best way to convert RLB 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 RLB.
How can I automate RLB 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 RLB 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 rlb converter.
What else can I do with reaConverter?
Convert PDFAdd watermark on imageConvert raster to vectorChange bit depthConvert DICOM images
What formats can I convert a RLB file to?
Discover More
Beyond RLB conversion
Convert .rlb 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.
