RLB Converter

Our highly efficient software makes it easy to convert millions of RLB files and folders in a single operation.

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reaConverter
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RLB Files
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How to Convert .rlb Files in Bulk

1. Install reaConverter

Download reliable RLB conversion software to convert multiple .rlb files and folders in one go.
reaConverter logo
Install reaConverter

2. Select RLB Files

Select RLBs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load RLB files

3. Start Conversion

Click Convert to start the bulk conversion of all selected RLB files. The process will begin right away.
reaConverter - Start RLB conversion

Convert RLB on your PC

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.

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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.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on June 30, 2025
"Before reaConverter, I was the ‘File Conversion Guy’ at work — a title I never asked for and definitely didn’t want. Then I found the Watch Folders feature, and suddenly I was free! Now, files convert themselves while I sip coffee and pretend I'm still working hard. My coworkers think I'm a wizard. Thanks reaConverter, for saving my sanity and boosting my fake productivity!"
Ben H.
Ben H.
Overwhelmed Office Hero
"This program is incredibly simple and user-friendly, even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!"
Kevin Harris
Kevin Harris
Happy User
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User
"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Marcus White
Healthcare IT
"We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!"
James L.
James L.
IT Manager
"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.
Michael D.
Print Shop Owner

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 RAW filesConvert Gerber imagesCrop imagesConvert PDFAdd watermark on image

What formats can I convert a RLB file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  xbm  xpm 

Discover more

Explore our efficient RLB file converter that saves you time and effort by converting multiple .rlb files into different formats.
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