The official extension is quite basic. Here's a screenshot that shows literally every feature: http://i.imgur.com/sMVY5.png http://i.imgur.com/sMVY5.png "Save

The official extension is quite basic. Here's a screenshot that shows literally every feature: http://i.imgur.com/sMVY5.png http://i.imgur.com/sMVY5.png "Save to Pinboard" and "Read later" work exactly like the bookmarklets, and the four items below the divider are just convenient links to different parts of the Pinboard website. "Save tab set" is fairly useful for moving sessions across machines.