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rTexViewer

A simple and easy-to-use textures viewer, editor and image board.

Visualize multiple images, convert images between different pixel-formats in real-time or arrange images in a visual board for reference. Add custom description text to images and apply custom GLSL shaders for any kind of visual effects.

rTexViewer can be used for free as a WebAssembly online tool and it can also be downloaded as a standalone tool for Windows and Linux with some extra features.

rTexViewer Features

• Three view image modes: IMAGE TABS, IMAGE BOARD or DIRECTORY SCAN
• Load/Save images/full-board as .rtv project file (non-destructive, image data compressed)
• Load image file formats: .png, .qoi, .bmp, .tga, .jpg, .gif, .hdr, .ppm, .pgm
• Load compressed texture formats: .dds, .pkm, .ktx, .pvr, .astc (if supported by GPU)
• Load images from URL (copy&paste), saved automatically into a downloads directory (Windows only)
• View image options: Zoom, Pan, Alpha, Background and Scale filter
• View image information: Name, Size, Format, Memory, Selected Pixel info, Color Palette
• Edit images: Change image pixel-format with real-time preview
• Edit images: Flip, Rotate, Resize, Resize Canvas, Crop, Alpha Clean and more
• Edit images: Visual crop mode, just draw a rectangle and crop
• Edit images: Define a text description for the image, saved on .rtv
• Edit images: Assign GLSL fragment shaders for custom effects, saved on rtv
• Multiple sample GLSL shaders provided for reference and new effects creation
• Export single images as .png, .qoi, .dds, .raw or byte array .h
• Export full image board as a single image .png, .qoi or .dds
• Export image palette as .png or .pal (up to 256 colors)
• Multiple UI styles supported, select your best style

rTexViewer Standalone Additional Features

• Multiple window options: clean mode, borderless, top-most, mouse pass-through (desktop only)
• Command-line support for batch image processing and formats conversion
• Completely portable (single-file, no-dependencies)

rTexViewer Usage

Open the tool, drag & drop your images and view/edit them or place/organize them in the board mode.

Edited image can be exported as .png, .qoi, .dds, .raw and .h code file. Image collection can be saved as a .rtv project file.

rTexViewer Standalone comes with command-line support for batch image processing and format conversion. Up to 256 chainned transformations can be applied per image on the command-line. For usage help:

rtexviewer.exe --help

rTexViewer Technologies

This tool has been created using the following open-source technologies:

• raylib - A simple and easy-to-use library to enjoy videogames programming
• raygui - A simple and easy-to-use immediate-mode-gui library
• tinyfiledialogs - File dialogs for desktop platforms

rTexViewer Custom

Do you like this tool? Do you need any specific feature to be added? Maybe a custom format support? Maybe a custom gui theme? Or maybe a custom version for Linux, macOS, Android, Raspberry Pi or HTML5? Just get in touch: ray[at]raylibtech.com

rTexViewer Issues & Feedback

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

rTexViewer License

rTexViewer online tool can be used completely for free.

rTexViewer Standalone desktop tool could be downloaded with a small donation.

In any case, consider a donation to help the author keep working on software for games development.

Copyright (c) 2015-2023 raylib technologies (@raylibtech) | Ramon Santamaria (@raysan5)