With this extension you can view CSS properties of related page elements. Very handy, when You got large CSS file with styles overlapping each other, to analyze why something is not displayed in the way You wanted.
FireShot is a Firefox extension that creates screenshots of web pages (entirely or just visible part). Unlike other extensions, this plugin provides a set of editing and annotation tools, which let users quickly modify web captures and insert text annotations and graphical annotations. Such functionality will be especially useful for web designers, testers and content reviewers.
Firefogg video encoding and uploading for Firefox
Adds some utility functions that make the life with DataPilots easier: Display the current source range for a DataPilot Change the source range for a DataPilot Refresh all DataPilots on the current sheet
prototype Firefox extension that integrates messaging into the browser
Run profile manager and load additional profiles in a new Firefox instance. Switch profiles and cookies of a webpage. Create, delete, edit, duplicate and backup a profile. Synchronize two profiles using Dropbox synchronization. It's also possible to synchronize ScrapBook and Zotero folders.
Your browser trusts many certification authorities and sub-authorities quietly, every time you enter an HTTPS website. This add-on for advanced users reveals when certificates are updated, so you can ensure it was a legitimate change.
