Chrome extensions I use or have used

BuiltWith Technology Profiler - Version: 1.5

Find out what the website you are visiting is built with using this extension.

Chrome SEO - Version: 0.8

The Google Chrome SEO Extension. All the SEO Stats and Tools you need to make daily SEO easier. The MOST popular Chrome SEO Plugin!

Chrome Sniffer - Version: 0.2.5

Detect web applications and javascript libraries run on browsing website.

ChromeReload - Version: 0.5

Automatically reload a page. Configure how often each page reloads and see a count-down until the next load

Docs PDF/PowerPoint Viewer (by Google) - Version: 1.5.8 (Disabled)

Automatically previews pdfs, powerpoint presentations, and other documents in Google Docs Viewer.

drag2up - Version: 2.2.1

Drag files to text boxes on any site to upload and share.

FlashBlock - Version: 0.9.31

FlashBlock for Chrome. Block them all, or be selective with the embedded whitelist manager

META SEO inspector - Version: 1.7.8.1 (Disabled)

Useful to inspect the meta data found inside web pages, usually not visible while browsing.

Pendule - Version: 0.0.3

Extended developer tools for Chrome.

Quick Tabs - Version: 2010.6.27

A keyboard centric most recently used (MRU) ordered tab list plugin with search and switch functionality inspired by intelliJ IDEA

Resolution Test - Version: 2.0

An extension for developers to test web pages in different screen resolutions, with an option to define your own resolutions.

rikaikun - Version: 0.8.1

A port of rikaichan for chrome. Translate Japanese by hovering over words.

RSS Subscription Extension (by Google) - Version: 2.1.3

Adds one-click subscription to your toolbar.

Ultimate Chrome Flag - Version: 0.3.7

This extension displays country or region name, Geo, Google PageRank, Alexa Rank and WOT info for the websites you're visiting.

Validity - Version: 1.1.0

Click the icon in the address bar or press Ctrl+Alt+V to validate the current page.

Webpage Screenshot - Version: 5.0

Fast&Simple solution to Save & Share & Print & Edit screenshots of any webpage. Capture to PNG/JPG drawing tools, and sharing features.

YouTube Repeat - Version: 1.0.1

Repeat YouTube videos.

Zhongwen : A Chinese-English Popup Dictionary - Version: 2.0

Chinese popup translator. Great tool for learning Chinese. Supports adding words to Skritter.