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rTexPacker

A simple and easy-to-use textures packer and font atlas generator.

Package sprites or fonts into an atlas to improve drawing performance.

rTexPacker 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.

rTexPacker Features

• Package sprites and font glyphs into an atlas
• Configure packing algorithms and heuristics
• Setup sprites spacing, padding and alpha-trimming
• Font generation options: Size, SDF fonts, fixed font height
• Import custom unicode charset from UTF-8 file
• Unicode charset duplicates removed automatically
• Edit sprites origin visually, exported with the atlas
• Atlas visualization options: Zoom, Pan, Background, Fill
• Multiple UI styles available, selectable from main toolbar
• Load/Save portable self-contained .rtp file, containing all sprites
• Load sprites from multiple image formats: .png, .qoi, .tga, .jpg
• Load sprites from font files: .ttf, .otf
• Export atlas descriptor as: text (.rtpa), binary (.rtpb), .json, .xml and code (.h)
• Export atlas image as: .png, .qoi, .dds and .raw
• Export atlas descriptor as binary PNG chunk: rTPb
• Multiple usage examples provided to load: .rtpa, .rtpb, PNG chunk rTPbp and code .h.

rTexPacker Standalone Additional Features

• Maximum atlas size up to 8192x8192 pixels
• Command-line support for batch sprites packing
• Completely portable (single-file, no-dependencies)

rTexPacker Usage

Open the tool, drag & drop your sprites/fonts and setup atlas packing options.

Generated atlas can be exported as atlas-descriptor text file plus an atlas image file. The formats supported are:

• Atlas Descriptor: text (.rtpa), binary (.rtpb), .xml, .json and code (.h)
• Atlas Image: .png, .qoi, .dds and .raw

rTexPacker Standalone comes with command-line support for batch sprite packaging and font atlas generation.

rtexpacker.exe --help

rTexPacker Technology

This tool has beem 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

rTexPacker 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 custom version for Linux, macOS, Android, Raspberry Pi or HTML5? Just get in touch: ray[at]raylibtech.com

rTexPacker Issues & Feedback

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

rTexPacker License

rTexPacker online tool can be used completely for free.

rTexPacker Standalone desktop tool could be downloaded with a donation.

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

Copyright (c) 2019-2022 raylib technologies (@raylibtech)