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See this post listing many of the Salesforce extensions Useful Google Chrome Extensions for Salesforce/.
Users
- Lazarus
- Single Click for Google Apps (yeah, not a Salesforce extension but gives you back your missing black bar functionality in Gmail).
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- Salesforce.com Sandbox Favicon - So useful. Firstly it adds an S on the favicon when you are logged into a Sandbox - so helpful! Secondly it adds the instance of Salesforce to the titlebar (eg if you have a custom URL it will show (customurl) in front of the regular title.
- Salesforce.com id Clipper
- Salesforce.com Enhanced Formula Editor - I find this one both totally annoying and totally useful. I can't decide whether to have it turned on all the time or not. Whenever I have it turned off I miss it, when I have it turned on it annoys me.
- Quick Login As - log in as other users in your Salesforce Org.
- Grey Tab - OMG, how cool is this app - never be without it. I always add "system" type fields to the page layout and clutter up the page layout. This tool just shows every field.
- It even shows the full HTML of rich text fields!
- Salesforce Inspector - just about as OMG as Grey Tab!
- Salesforce Admin Check All! OMG how useful is this Extension - Check ALL boxes in the Enhanced Profile Editor!
Advance Admins or Devs
- Salesforce Navigator
- See the excellent post Force.com Development Tips & Other Snippets by Matt Lacey: Flying Like A Pro: Salesforce Navigator for how to use Navigator.
- Web Developer
- LastPass or 1Password - a Must for logging into multiple orgs!
- SimpleExtManager - turns extensions on and off - very useful for when you don't use Salesforce all of the time.
- Wappalyzer - Not Salesforce related, but useful for devs - look at any website and it tells you at a glance what it is made of.
Firefox
I would use Chrome for admins or devs and use Firefox only for Users.
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