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REXPaint is a powerful and user-friendly ASCII art editor. Use a wide variety of tools to create ANSI block/line art, roguelike mockups and maps, and for other roguelike development needs. Originally an in-house dev tool used by Grid Sage Games for traditional roguelike development, this software has been made available to other developers and artists free of charge. While core functionality and tons of features already exist, occasional updates are known to happen. Unlock your retro potential; join thousands of other REXPaint users today.

REXPaint is completely free to use, or even to create images (or other file exports) for your own commercial product. However, downloading, storing, or starting the program shows that you understand and agree to the following conditions:

REXPaint is made available "as is" with no warranty of any kind, and its author cannot be held responsible for any damage to your system.
REXPaint may NOT be redistributed over public channels; the latest version will always be available through this website. The program may be redistributed freely through private means (such as e-mail), provided all of its files (including all documentation) remain unchanged.
REXPaint itself may NOT be sold in any form.

Features:

Edit characters, foreground, and background colors separately
Draw shapes and text
Copy/cut/paste areas
Undo/redo changes
Preview effects simply by hovering the cursor over the canvas
Palette manipulation
Image-wide color tweaking and palette swaps
True-color RGB/HSV/hex color picker
Create multi-layered images
Zooming: Scale an image by changing font size on the fly
Browse art assets and begin editing at the press of a button
Images highly compressed
Export PNGs for use in other programs or on the web
Export .ANS files for ANSI art
Other exportable formats: TXT, CSV, XML, XPM, BBCode
Skinnable interface