| Adblock Plus |
Blocks ads |
| CacheToggle |
Status bar toggle button for the browser cache |
| Cert Viewer Plus |
Certificate viewer enhancements |
| CipherFox |
Display current SSL/TLS ciphers and certificate chain |
| Cookies Manager+ |
View, edit, create cookies |
| Cryptocat |
encrypted, private conversations |
| CryptoFox |
encryption/decryption tool |
| DNS Cache |
Allows you to de/activate DNS Cache |
| DownloadThemAll |
mass downloader |
| Flagfox |
Display a flag depicting the location of the current server |
| Flash and Video Download |
Download flash videos from page |
| Form History Control |
Manage form history |
| FoxyProxy |
proxy quick switcher |
| FxIF |
view exif data on images |
| Ghostery |
Block trackers |
| Groundspeed |
Manipulate the app user interface to eliminate client-side limitations |
| Hackbar |
Multi-tool to assist with url manipulation |
| Header Spy |
show http headers on status bar |
| HttpFox |
http analyzer |
| HTTPS-Everywhere |
automatically use https on many sites |
| Image Zoom |
zoom for images |
| It’s All Text |
Edit forms using an editor |
| JavaScript Debugger |
debugger and profiler |
| JavaScript Deobfuscator |
self explanitory |
| Keylogger Beater |
Onscreen keyboard to bypass keyloggers |
| JSView |
View the source code of external stylesheets and javascripts |
| Link Sidebar |
View, search and test hyperlinks in a web page |
| Live HTTP Headers |
View http headers of a page while browsing |
| Mailvelope |
Secure email with OpenPGP encryption for webmail |
| Modify Headers |
add, modify and filter http request headers |
| NoScript |
Disable javascript with whitelisting capabilities |
| Privacy Badger |
Protects privacy by blocking spying ads and invisible trackers |
| Privacy Settings |
Alter Firefox’s built-in privacy settings with a toolbar panel |
| Poster |
developer tool for interacting with URLs |
| QR Secret Decoder Ring |
Right click a QR image to decode |
| RefControl |
Control what gets sent as the http referer |
| Saved Password Editor |
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| SQL Inject Me |
test for SQL injection |
| SQLite Manager |
Manage any SQLite database on your computer |
| Table2Clipboard |
allow copy to clipboard of solected rows/columns from an html table |
| Tamper Data |
view and modify headers |
| Thumbnail Zoom Plus |
Shows full image when you hover over a thumbnail |
| UAControl |
Change user-agent |
| uBlock Origin |
Like AdBlock Plus |
| Update Scanner |
monitors webpages for updates |
| URL Flipper |
quickly increment and decrement numbers and strings in URLs |
| URL Tooltip |
Displays URL in hyperlink tooltips |
| User Agent Switcher |
self explanitory |
| View Dependencies |
Adds a tab listing dependencies and their sizes in the page info window |
| View Source Chart |
Source Chart DOM inspector |
| Wappalyzer |
Uncovers the technologies used on websites |
| Web Developer |
adds a menu and toolbar with various web developer tools |
| XSS Me |
test for XSS vulns |
| FireBug |
Web developer tool |
| FireCookie |
cookie manager for firebug |