4. FastimageFastImage finds the dimensions or filetype of an image at a url by fetching the least data possible
5. HackernewThe best Chrome extension to make Hacker News quicker and more useful.
7. CrumbleCrumble makes it easy to create feature tours in your website or app.
8. TinyconA small library for manipulating the favicon, in particular adding alert bubbles and changing images.