Tool
Dark Reader is an open-source browser extension that applies dark mode to websites. It can enable a dark theme for all sites or selected domains and provides brightness, contrast, and sepia controls. The project offers versions for Chrome, Firefox, Safari, and Edge, and states that it does not send users' data anywhere.
1 use taken from transcripts — each links to the moment in the video.
Browser extension the speaker uses to dark-mode the Anthropic blog during filming
1 in the library.