When ChatGPT, Claude, or Gemini streams a new reply, the page often jumps to the bottom and you lose your place. Anchor is a free Chrome extension that holds your scroll while you read. Scroll up mid-reply, finish the paragraph, then jump back when you want. Works on ChatGPT, Claude, and Gemini. No account. No paywall. Just calmer reading during long AI answers - 55 installs and counting :)