Lab
Some people would call it a blog (this one is a bit more interactive)
Tags12
Image steganography
Browse RGBA bit planes, inspect channels, XOR images, and extract hidden bit streams.
CTF toolbox
A tiny CyberChef: chain hex, Base64, URL, binary, Caesar, XOR, hashes and decompression in your browser.
Shader playground
Play around with the shaders that are used in the background of this site. Mirror, warp, and zoom into the patterns!