TUB Converter

Batch TUB conversion with built-in editing. reaConverter lets you resize, crop, and adjust during export.

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TUB Files
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How to Convert .tub Files in Bulk

1. Install reaConverter

Download reliable TUB conversion software to convert multiple .tub files and folders in one go.
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Install reaConverter

2. Select TUB Files

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

3. Start Conversion

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

Convert TUB on your PC

For quick and effortless TUB 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 TUB 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 January 01, 2026
"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
"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
"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."
Paul Baker
Paul Baker
Happy User
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
Satisfied Customer
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
Roger Cook
Roger Cook
Happy User

TUB files: Frequently Asked Questions

What are TUB files?

The TUB format is associated with Corel PaintShop Pro, which is one of the most popular programs used for advanced image editing and drawing. TUB files are also known as "picture tubes" and represent basic images with no background that can be used for creating more complex images. TUBs are probably impossible to open outside PaintShop, so in case you don't have it installed, the best option is to have them converted to more accessible formats.

Can reaConverter open TUB files?

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

How do I change TUB to another format?

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

Can I convert TUB online?

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

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

The best way to convert TUB 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 TUB.

How can I automate TUB 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 TUB 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 tub converter.

What else can I do with reaConverter?

Convert PDF filesWatermark photosConvert GIS filesChange format settingsChange DPI

What formats can I convert a TUB file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcm  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 TUB file converter that saves you time and effort by converting multiple .tub files into different formats.
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