MarklyKit

MarklyKit is a Chrome extension for marking up web pages. Highlight text in colours, sort with tags and folders, draw with a pen, marker, arrows and shapes, and blur private details before screenshots. Marks save per page URL and come back on revisit. Free is local-only. Pro ($7.99/month) adds sticky notes, PDF export, cloud sync, search by meaning and an MCP connector so Claude, ChatGPT or Grok can search your highlights and cite the source pages.