[●]Add N Edit Cookies: https://addons.mozilla.org/en-US/firefox/addon/573
[●]Advanced Dork: https://addons.mozilla.org/en-US/firefox/addon/2144
[●]Cipherfox: https://addons.mozilla.org/en-US/firefox/addon/8919
[●]Console: https://addons.mozilla.org/en-US/firefox/addon/1815
[●]Copycode: https://addons.mozilla.org/en-US/firefox/addon/9507
[●]Domain Lookup: https://addons.mozilla.org/en-US/firefox/addon/7095
[●]Edit Page: https://addons.mozilla.org/en-US/firefox/addon/8289
[●]Event Spy: https://addons.mozilla.org/en-US/firefox/addon/1100
[●]Execute J: https://addons.mozilla.org/en-US/firefox/addon/1729
[●]Fire Encrypter: https://addons.mozilla.org/en-US/firefox/addon/3208
[●]Firebug: https://addons.mozilla.org/firefox/addon/1843
[●]Firephorm: https://addons.mozilla.org/en-US/firefox/addon/7536
[●]FirePHP: https://addons.mozilla.org/en-US/firefox/addon/6149
[●]Firerainbow: https://addons.mozilla.org/en-US/firefox/addon/9603
[●]FireSymfony: https://addons.mozilla.org/en-US/firefox/addon/9096
[●]GreaseMonkey: https://addons.mozilla.org/en-US/firefox/addon/748
[●]Greasefire: https://addons.mozilla.org/en-US/firefox/addon/8352
[●]Better LifeHacker: https://addons.mozilla.org/en-US/firefox/addon/8011
[●]HackBar: https://addons.mozilla.org/en-US/firefox/addon/3899
[●]Html Editor: https://addons.mozilla.org/en-US/firefox/addon/9034
[●]Inline Code Finder For FireBug: https://addons.mozilla.org/en-US/firefox/addon/9641
[●]Javascript Debugger: https://addons.mozilla.org/en-US/firefox/addon/216
[●]Jsview: https://addons.mozilla.org/en-US/firefox/addon/2076
[●]Live Http Headers: https://addons.mozilla.org/en-US/firefox/addon/3829
[●]Mass Password Reset: https://addons.mozilla.org/en-US/firefox/addon/9652
[●]Noscript: https://addons.mozilla.org/en-US/firefox/addon/722
[●]Obtrusive Javascript Checker: https://addons.mozilla.org/en-US/firefox/addon/obtrusive-javascript-checker/
[●]Page Hacker: https://addons.mozilla.org/en-US/firefox/addon/5753
[●]Password Hasher: https://addons.mozilla.org/en-US/firefox/addon/3282
[●]Rainbow For Firebug: https://addons.mozilla.org/en-US/firefox/addon/7575
[●]Sql Inject Me: https://addons.mozilla.org/en-US/firefox/addon/7597
[●]Sql Injection: https://addons.mozilla.org/en-US/firefox/addon/6727
[●]Switchproxy: https://addons.mozilla.org/en-US/firefox/addon/125
[●]Tamper Data: https://addons.mozilla.org/en-US/firefox/addon/966
[●]Tinyurl Creator: https://addons.mozilla.org/en-US/firefox/addon/126
[●]Xss Me: https://addons.mozilla.org/en-US/firefox/addon/7598
[●]NoXSS: https://addons.mozilla.org/en-US/firefox/addon/9136
[●]Firebug: https://addons.mozilla.org/firefox/addon/1843



semoga ada manfaatnya gan. . :)
sumber: http://hacker-newbie.org