I probably didn’t know what a bookmarklet was a year ago, and now I find myself using a half dozen of them on a regular basis.  A bookmarklet is part bookmark and part applet.  It’s a tiny bit of Javascript (typically) that you save as a bookmark in your bookmarks toolbar.  When you click on the bookmarklet instead of just opening a new page it performs some function based on the page you’re looking at when you click it.

If you’re using IE or some other browser that sucks I have no idea if these work.  Get Firefox.

Here are the bookmarklets I have loaded up in my toolbar:

SuperGenPass

SuperGenPass is a different kind of password manager. Instead of storing your passwords on your hard disk or online—where they are vulnerable to theft and data loss—SuperGenPass uses a hash algorithm to transform a master password into unique, complex passwords for the Web sites you visit. There’s no software to install: SuperGenPass is a bookmarklet and runs right in your Web browser. And since it never stores or transmits your passwords, it’s ideal for use on multiple and public computers. It’s also completely free.

Readability

Readability is a simple tool that makes reading on the Web more enjoyable by removing the clutter around what you’re reading.

Instapaper

A simple tool to save web pages for reading later.

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bit.ly URL shortener

HootSuite’s Hootlet  (URL Shortener)