Simple Pixel-Art Scaling tool with Scale3X algorithm.
This tool is open source. Its also free to use in the web browser. If you decide to help us continue doing stuff, you can buy the binary for a very small price!
WARNING: This is meant for small pixel art. Big images can take a lot to process. Antialiased borders won't look good, is intended for retro-looking art, and thus it will not add new colors to your palette!
Just load an image, select the scaling factor, and save it.
Example:

IF SOMEONE KNOWS XBR OR HQNX OR ANY OTHER BETTER ALGORITHM, I CAN ADD THEM IF YOU EXPLAIN THEM TO ME! :)
This tool is free to use, developed by Azagaya. You don't have to pay anything, but you can show support:
Source Code in github!
Creepy Tree in the screenshots was made by Deep Glowing
In order to download this tool you must purchase it at or above the minimum price of $2 USD. You will get access to the following files:
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This is really cool! I want to use this but I'm worried it'll be really time consuming to convert all the assets in my game. Having a command line interface would be amazing where I could just do something like:
`scalenx.exe my-image.png 4`
Then I could automate on all the pngs in my assets folder rather than pulling them all in one-by-one.
Hi! Thanks for the suggestion. The New version supports multiple textures, but no CLI interface for now. ScaleNX uses a shader to do the effect, and afaik this cannot be done without opening a window. Perhaps the CLI interface could open the ScaleNX window hidden, do the job, and auto-close.I’ll investigate on this.