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.
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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 October 27, 2025
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User
"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."
Malik T. Martin
Malik T. Martin
Satisfied Customer
"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.
Chloe M.
Freelance Illustrator
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
Mark T.
Mark T.
Satisfied Customer
"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"
Richard E. Miller
Richard E. Miller
Satisfied Customer

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 

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