For the past 20 years, I've been using the 'zap' and 'zap images' bookmarklets from this web site: https://www.squarefree.com/bookmarklets/zap.html https://www

For the past 20 years, I've been using the 'zap' and 'zap images' bookmarklets from this web site: https://www.squarefree.com/bookmarklets/zap.html https://www.squarefree.com/bookmarklets/zap.html They don't work on every site, but they're a good start. 'Reader mode' bookmarklets like https://github.com/lordastley/readable https://github.com/lordastley/readable can often be configured for simple white on black text too.