Some of my favorite Firefox extensions

Development

  • EditCSS. Edit stylesheets in-browser, without needing to refresh the page.
  • Live HTTP Headers. See what’s actually going on in your requests without firing up a sniffer
  • Checky. Handy links to validators and SEO tools in your context menu.
  • DOM Inspector. Browse around the DOM tree of a document. Also handy for seeing what properties are accessible from JavaScript without cracking open The Big Book.
  • Venkman. Full-featured JavaScript debugger.

UI & Browsing

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