Spark

Quiz yourself on what you just read, without leaving the page.

Spark turns articles and newsletters into interactive quizzes without making you leave the page. Open the side panel, click Generate, and get a short quiz built from what you just read. It's for people who read a lot and retain less than they'd like. How it works Click the Spark icon on any article. Spark reads the page and builds 3–5 exercises tailored to the content. When you finish, you get a score and a recap of the key ideas. Five question types Spark picks the format that fits the content: True or false Multiple choice Fill in the blank Match concepts Put events in order Works on Substack, newsletters, Wikipedia, news articles, blog posts, and most long-form content pages. Doesn't work on Gmail and other email clients. Open the article in a browser tab first. No account required. Nothing is saved or stored. 20 free quizzes per month.