avgcolor - get the average color of an image
avgpalette - get the average color of each tile in a tilesheet image
bitshift - see the result of bitshift operations
favicon_generator - generate a favicon with configurable font, text, and colors
hashfuncs - see the result of multiple hash functions on UTF-8 text
mkchr - create a NES pattern table from an image
padtiles - pad a tilesheet for texture smoothing
webtools source code