Jason Summers

tweakpng. A low-level PNG image file manipulation utility for Windows

imageworsener. A utility for processing PNG, JPEG, BMP, and WebP images. Features include resize/resample, dither, grayscale, apply background color, subpixel rendering.

deark. A utility for file format and metadata analysis, data extraction, decompression, and image format decoding

bmpsuite. A set of Windows BMP image files, for testing purposes

resamplescope. A utility to analyze the algorithms other applications use to resize (resample, scale) images.

oldunzip. Unzip libraries for shrink/unshrink, reduce/expand, implode/explode methods

winlifesearch. A Windows program to search for cellular automata patterns

fpresize. A library for high-quality image resizing

gobmp. A library for reading and writing BMP image files

bmpinspect. Display the data inside a BMP image file

deark-extras. Ancillary files associated with Deark

pkla. Scripts to analyze PKLITE-compressed files, and other PKWARE files

mgchkj. A script to analyze patterns for the "file command"

myfilecmdmagic. Experimental rules for use with the "file" command

miscjs. Miscellaneous things

fmtu. String formatting that’s not afraid of Unicode