rTexViewer v1.3

A simple and easy-to-use textures viewer and formats converter.


rTexViewer comes in two flavours: ZERO (free version) and ONE (low-cost version).

rTexViewer ZERO features

  • Load multiple image fileformats: PNG, BMP, TGA, JPG, GIF, HDR
  • Load text files as image grayscale representation (limited to 64x64 chars)
  • Format your images to desired pixel format with real-time preview
  • Multiple image edition tools: Flip, Rotate, Resize, Alpha tools, Mipmaps...
  • Multiple visualization options: Zoom, Pan, Background, Channels, Helpers...
  • Visual image crop mode: just draw a rectangle and crop
  • View and edit GIF animations frames independently
  • Navigate directory images (supported formats)
  • Export image palette as PNG/PAL (up to 256 colors)
  • Export formated and transformed image as PNG
  • Completely portable (single file)

rTexViewer ONE features

  • Load compressed formats (if supported by GPU): DDS, PKM, KTX, PVR, ASTC
  • Load text files as image grayscale representation (maximum of 4096x4096 chars)
  • Powerful command line for batch image processing and formats conversion
  • Export transformed image as RAW data, CODE (.h - bytes array) or KTX

rTexViewer Usage

Open the tool, drag & drop your image and view/edit it.

When an image is drag & dropped, program check directory for supported image file formats for further navigation with LEFT/RIGHT keys or botton bar navigation buttons.

Formatted image can be exported as PNG. rTexViewer ONE also allows RAW (.raw) and CODE (.h) image data export.

rTexViewer ONE comes with a powerful command line for batch processing, enabling transformation of multiple images with a very simple and comprehensive command line. Up to 256 chainned transformations are possible per image.

To view all available operations just run on command line:

 > rtexviewer.exe --help

rTexViewer Custom

Do you like this tool? Do you need any specific feature to be added? Maybe a custom export format? Maybe a custom gui theme? Or maybe a version for Linux, OSX, Android, Raspberry Pi or HTML5? Just get in touch!

rTexViewer Issues & Feedback

You can report tool issues and feedback here: https://github.com/raylibtech/rtools  

rTexViewer License

rTexViewer is closed source software but it's based on open-source technologies: raylib and raygui.

rTexViewer ZERO is free and rTexViewer ONE is low-cost, with the addition of some useful features. In any case, consider it as a small donation to help the author keep working on software for games development.

Copyright (c) 2018-2019 raylib technologies (@raylibtech)

PlatformsWindows, Linux, HTML5
Release date Mar 14, 2019
Authorraylib technologies
Made withraylib
Tagsimage, raygui, raylib, textures, tool, viewer
Average sessionDays or more
InputsKeyboard, Mouse
LinksHomepage, Twitter


Download NowName your own price

Click download now to get access to the following files:

rTexViewer_v1.2_ZERO.zip 281 kB
rTexViewer_v1.2_ZERO.tar.gz 323 kB
rTexViewer_v1.2_ONE.zip 291 kB
if you pay $20 USD or more
rTexViewer_v1.2_ONE.tar.gz 328 kB
if you pay $20 USD or more

Development log


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does it support the open sourced format: "Basis Universal Texture Compression", kind of KTX, I think: https://github.com/BinomialLLC/basis_universal


Not yet! But it's on my roadmap! I've been following the format for long time...