Ask HN: Simple open source to remove the bright background on a web page?
I don't want to install complex plugins in the browser, because they get access to my data. I want to build it myself, but I have no idea. Enable reader mode on your browser. It's built-in, no plugins needed. Open source is the wrong way. To endarken any page while you're browsing, just execute this javascript in a bookmark: javascript: (() => { document.documentElement.style.filter = "invert()";document.documentElement.style.background = '#fff' })(); userContent.css https://superuser.com/questions/318912/how-can-i-override-th... You need to enable it in about:config these days https://www.userchrome.org/firefox-changes-userchrome-css.ht... User scripts using TamperMonkey. So you can run your own Javascript in your own browser. Locally. Good luck.