useful or interesting places on the internet

webdev

mozilla developer network: up-to-date resource for building a website with guides for learning everything from basic HTML to asynchronous javascript
WYSIWYG editor: write and format HTML, CSS, and javascript code online with a helpful visualizer

images

ditherit: use this so you don't repeat my mistakes
ezgif: create and edit animated images (gif/webp/apng/avif)
imageoptim: jpg/png compressor
color palette generator: grab a color set from any image
favicon generator: turn any image into a favicon
gifcities: search engine for animated gifs from geocities hosted on the internet archive

neat

adsb.fi: like flightradar24 but data is sourced from the community so all tracked aircraft are visible
deepL translation tool: more accurate translations versus google translate
pcgamingwiki: lists config information and fixes for most pc games
rot13 converter: decode or create rot13 ciphers
textfiles: archive of text files from the '70s-'90s

yaaay :D

420 gifs of rotating food: you already know what's going on