Why AI assets never look like one game
Each AI image is generated on its own. One sprite comes out a little warm, the next a little green, a background is darker and more saturated than the characters in front of it. Side by side in a scene the difference is obvious, even when every image is good by itself. Fixing it by hand means colour grading each file in an image editor.
How it works
Colour mood. The tool measures the average colour and the spread of colours of every image in a perceptual colour space, then shifts each image so its numbers match the target. That removes colour casts and evens out brightness and saturation without repainting anything. The target is the average of the whole set or one image you mark with ★. Use the strength slider to keep a little of each image's character. Shared palette. After the mood match it can also map every pixel to one palette: a palette built from all the images together, a classic palette such as PICO-8 or Endesga 32, or your own colours pasted as hex codes or loaded from a .gpl file. Soft edges and transparency stay as they were.
Tips
Pick the image whose look you like most as the ★ reference. Keep backgrounds slightly darker and less saturated than characters by matching them separately. For pixel art, run the AI Pixel Art Fixer first, then unify the set here with a shared palette.
Is my art uploaded?
No. Everything happens in your browser.