ftak is a free Chrome extension for reading without tab switching. Double-click or drag over any word or phrase on a web page and a small tooltip shows its meaning, a short Wikipedia summary for people, places and ideas, and a map preview for places. No sign-up. The site also has a PDF reader with the same lookups, and UPSC aspirants can see related previous-year questions for text selected in news articles. Made for students, researchers and anyone reading in a second language.