Firefox extensions hosted on Mozdev
The following are Firefox extensions and projects hosted on mozdev.org.
| Name | Description | Project | Latest Version | |
|---|---|---|---|---|
| 1 | about:config Search | Adds a search engine to search about:config | aboutconfigsearch | - |
| 2 | Accessibar | Accessibility toolbar enabling easy manipulation of web page display and text-to-speech output. | accessibar | - |
| 3 | Adblock Plus | Ads were yesterday! | adblockplus | 0.7.5.4 |
| 4 | Adblock Plus Filter Uploader | Uploads your Adblock Plus filters | adblockfilters | 1.5 |
| 5 | Adblock Plus Watcher | Diagnostic tool for Adblock Plus, provides some insight into internal processes of Adblock Plus. | adblockplus | - |
| 6 | Adblock Plus: Element Hiding Helper | Helps you create element hiding rules for Adblock Plus to fight the text ads. | adblockplus | 1.0.2 |
| 7 | Addons Toolbar Button | Adds a toolbar button to Open Addons. | testo | - |
| 8 | Adhiyan | A tool to convert and view TSCII/TUNE/TAB/TAM content to UNICODE | adhiyan | - |
| 9 | Advanced Microsummary Builder | Build a Microsummary Generator, based on a selection on the current web page and predicator | advmicrosummarygenerator | - |
| 10 | Alexa Sidebar Again | The Alexa Sidebar (What's related) Here Again. Press Alt+A to show the sidebar; toolbar button also available. | xsidebar | 1.1 |
| 11 | Alexa Sparky | Alexa Internet Statusbar Sparkline | sparky | - |
| 12 | Alt Stylesheet (Hack) | Temporarily restore alternate stylesheet UI Will not be maintained; you have been warned! | minimizetotray | - |
| 13 | annotations | Annotations API and service | annozilla | - |
| 14 | annozilla | Use an Annotea annotations server | annozilla | - |
| 15 | Any key | Allows typing into phonetic Russian,ukrainian,amharic,arabic... transforming translit into the chosen language. | anykey | - |
| 16 | AutoFormer | It loads saved data in forms. Loading is automatic, saving is manual (2 mouse click). | autoformer | - |
| 17 | autoHideStatusbar | auto-hide Firefox or Thunderbird status-bar | xsidebar | 0.3.9.5 |
| 18 | AutoPager | AutoPager is a firefox/mozilla extensions to autoloading next page at backgrand.And you can use it an XPath generator too. | autopager | - |
| 19 | BBCodeXtra | Here is the place for the localized description (see your locale/bbcodextra.properties) | xsidebar | 0.2.5.6 |
| 20 | BiDi UI | Adds BiDi UI to Mozilla Firefox | bidiui | - |
| 21 | Book Text Mark | Allows bookmarking text within a long HTML page. | booktextmark | - |
| 22 | Bookmark Duplicate Detector | Detects Duplicate Bookmarks when bookmarks are added. | bookmarkdd | - |
| 23 | Bookmark Previews | Bookmark Previews adds an album view and thumbnail view to the bookmarks manager. | bookmarkpreviews | 0.6.3 |
| 24 | Bookmark This Page | Adds a toolbar button to bookmark a page. | tbutton | - |
| 25 | Bookmark Toolbar Buttons | Adds bookmark toolbar buttons. | testo | - |
| 26 | Bookmarks synchronizer between Memotoo.com and Firefox | Synchronize yours bookmarks between Firefox and Memotoo.com | memotoofirefox | - |
| 27 | Brief | A feed reading extension. | brief | 1.2b2 |
| 28 | Buanzo's DonkeyFire | MLDonkey integration for Mozilla Firefox | donkeyfire | - |
| 29 | BugMeNot | Bypass compulsory web registration with the context menu via www.bugmenot.com. | xsidebar | 1.8 |
| 30 | Cache Fixer | Cache lost if Firefox crashes... Say "No!" | imglikeopera | - |
| 31 | Calculator | A calculator with advanced features. Installed in the tools menu. | calculator | - |
| 32 | Check4Change | Periodically checks for changes within a webpage. | xsidebar | 1.6 |
| 33 | CheckYesss | Guthaben-/Gebühren-/Gesprächsanzeige für Mobilfunk und VoIP | checkyesss | - |
| 34 | ChromEdit | A Simple User Profile File Editor. | cdn | - |
| 35 | Clines | Clines, a little game | xsidebar | 1.2.2 |
| 36 | Clippings | Save frequently-entered text for pasting later. | clippings | - |
| 37 | Close Tab On Double Click | When a tab is double clicked, the tab will close | twanno | - |
| 38 | Close Tab Toolbar Button | Adds a toolbar button to close the active tab. | tbutton | - |
| 39 | Closy | Provides you different Close tabs functionality fx Close all blank tabs and Close all duplicate tabs | closy | - |
| 40 | CoEdit | Minimal and effective cookie editor. | coedit | - |
| 41 | Compact Menu | Duplicates the menubar on the toolbar as a menu of menus. | cdn | - |
| 42 | Compact Menu | Duplicates the menubar on the toolbar as a menu of menus. | cdn | - |
| 43 | Compactador OGame | Compactador automatico de batallas de ogame | ogamecompactor | - |
| 44 | Conkeror | A 100% keyboard driven mozilla based web browser. | conkeror | - |
| 45 | ConQuery | Context sensitive webquery extention | conquery | - |
| 46 | Console Filter | A text filter for the JavaScript/Error Console. | console2 | 0.3.1 |
| 47 | Console² | The next generation error console. | console2 | 0.3.9.2 |
| 48 | Content Preferences | gives you site-specific content preferences and a sidebar for twiddling them | xsidebar | 0.3.1 |
| 49 | Context Highlight | Lets you highlight words on the page via the context menu. | xsidebar | 0.3 |
| 50 | Context Search | Expands the context menu's 'Web Search' to use Mycroft Search Plugins. | xsidebar | 0.2.3 |
| 51 | Controle de Scripts | Improves your JavaScript control. | controledescripts | - |
| 52 | Converter | Adds converter to the browser context menu. | converter | - |
| 53 | Cookie Button | Button for easy access to cookie permissions | basic | - |
| 54 | Cookie Button in the status bar | Button for easy access to cookie permissions in the status bar | basic | - |
| 55 | Cookie Context | Context menu options for easy access to cookie permissions | basic | - |
| 56 | CookiePanel | Monitor cookies in real-time in the sidebar. | xsidebar | 0.7.1 |
| 57 | CookieSwap | Tool to save and swap out a collection of cookies on the fly | cookieswap | - |
| 58 | Copy Plain Text | Copies text without formatting | xsidebar | 0.3.3 |
| 59 | Crash Recovery | Automagically recovers all windows (after a crash). | sessionmanager | - |
| 60 | Custom Buttons | Gives a possibility to create custom toolbarbuttons. | custombuttons | 0.0.3 |
| 61 | Date Picker/Calendar | Quick popup allowing you to view a calendar/pick a date. | xsidebar | 1.0.82 |
| 62 | Deepest Sender | Post to blogs directly from Firefox or Mozilla. | deepestsender | - |
| 63 | del.icio.us Complete | del.icio.us is a social bookmarks manager. It allows you to easily add sites you like to your personal collection of links, to categorize those sites with keywords, and to share your collection not only between your own browsers and machines, but also with others. | xsidebar | 1.3 |
| 64 | DerBrowserTimer | Timer/Clock/Alarm add-on for Mozilla FireFox. | xsidebar | - |
| 65 | deskCut | Create desktop shortcuts from the context-menu. Windows and Linux (KDE/GNOME) supported. | deskcut | - |
| 66 | DevBoi (offline version) | Adds a sidebar with web-development references. | xsidebar | 0.5.1 |
| 67 | Dict | Looks up words in online dictionaries (DICT servers) | dict | - |
| 68 | Dictionary (EN/DE) | Dictionary (TU Chemnitz) and Wikipedia (DE) Lookup of selected text | xsidebar | 0.0.4 |
| 69 | Dictionary Switcher | Toggles dictionaries automatically or manually and displays the currently selected dictionary in the status bar. | xsidebar | 0.8.2 |
| 70 | DictionarySearch | Looks up selected word in an online dictionary | dictionarysearch | - |
| 71 | Download Scan | Anti-Virus scan completed downloads. | downloadstatusbar | - |
| 72 | Download Sort | Automatically save downloads to different directories. | downloadstatusbar | - |
| 73 | Download Statusbar | View and manage downloads from a tidy statusbar | downloadstatusbar | - |
| 74 | DownThemAll! | Filter the extensions of all the links present in a page and download the selected files in just a click! | xsidebar | 0.9.9.10 |
| 75 | dragdropupload | This extension helps you to upload files | xsidebar | 1.5.22 |
| 76 | Duplicate Tab | Allows you to duplicate a tab, or to merge the windows. | twanno | - |
| 77 | Eek | Adds your Fx menus to the context menu. | cdn | - |
| 78 | EM Menu | Quick access to Extensions through a submenu | downloadstatusbar | - |
| 79 | Email This! Bookmarklet Extension | Email This! will send a recipient the link, title, and text of the webpage you are viewing. | xsidebar | 2.0.0 |
| 80 | Enigform | Enhances HTTP with GnuPG based digitally signing capabilities. | enigform | - |
| 81 | EnTaTip | English-Tamil-English instant word translation for Firefox | entatip | - |
| 82 | eurekster toolbar | Toolbar for eurekster search engine. | database | - |
| 83 | Exch | A currency conversion sidebar | xsidebar | 1.1.4 |
| 84 | Execute JS | Excute JS | xsidebar | 0.2 |
| 85 | Extensions Toolbar Button | Adds a toolbar button to Open Extension Manager. | testo | - |
| 86 | EZNav | Middle-click existing buttons for additional navigation. | downloadstatusbar | - |
| 87 | Fasterfox | Performance and network tweaks for Firefox. | fasterfox | - |
| 88 | feedbackfox | A sidebar integrated eBay feedback filter | feedbackfox | - |
| 89 | Feedview | Make your news feeds nicer to read | xsidebar | 0.9.8 |
| 90 | Fireflix | Flickr management tool | xsidebar | 0.0.6.1 |
| 91 | Firefly | A file browser extension | firefly | - |
| 92 | fireform | Automatically fills web forms | xsidebar | 0.5.0 |
| 93 | Firefox á íslensku | Íslenskt tungumál fyrir Firefox. | firefoxis | - |
| 94 | Firefox Search Sidebar | Enjoy searching through multiple search engines with one query and managing the search engines in one interface | searchsidebar | - |
| 95 | FireFTP | FTP client for Mozilla Firefox. | fireftp | - |
| 96 | FireFTP Button | Adds a toolbar button to open FireFTP. | tbutton | - |
| 97 | Firekeeper | Intrusion Detection and Prevention System for Firefox | firekeeper | - |
| 98 | FireProxy | 跨越每一个障礙 | fireproxy | - |
| 99 | FlagFox | Displays a flag depicting the location of the current server | xsidebar | 1.2 |
| 100 | Flagfox | Displays a flag depicting the location of the current server | xsidebar | 3.1.2 |
| 101 | Flash Click to View | Replaces Flash objects with a button that you can click on to view them. | flashblock | - |
| 102 | Flashblock | Replaces Flash objects with a button you can click to view them. | flashblock | - |
| 103 | Flat Bookmark Editing | Edit bookmarks in the bookmark organizer, without opening the properties window. | xsidebar | 0.8.1 |
| 104 | Flem (Firefox Links Explorer Method) | Flem permet de charger des fichiers d'URLs CSV ou TXT et de naviguer d'une | flem | - |
| 105 | Flem (Firefox Links Explorer Method) | L'extension dont vous êtes la larve. | flem | - |
| 106 | Flickr Sidebar | Search Flickr photos in the sidebar. | xsidebar | 0.2 |
| 107 | FlickrFox | Browse your Flickr Photostreams in a sidebar. | xsidebar | 1.3.0 |
| 108 | ForecastFox | Get international weather forecasts and display it in any toolbar or statusbar with this highly customizable extension. | forecastfox | - |
| 109 | Forecastfox Enhanced | Get international weather forecasts and radar images and display it in any toolbar or statusbar with this highly customizable extension. | xsidebar | 0.9.3.1 |
| 110 | FoxClocks | Displays local times around the world in the statusbar/toolbar. Supports virtually all time zones. | xsidebar | 2.2.23 |
| 111 | foxdoc | Side file documentation generator | xsidebar | 1.0 |
| 112 | FoxGame | Enhance user experience with O-game.com | foxgame | - |
| 113 | FoxTrick | A set of presentation enhancements for hattrick.org | foxtrick | - |
| 114 | FoxyTunes | Control any media player from Firefox and more... | downloadstatusbar | - |
| 115 | Fright | Makes your hair stand on end. | testo | - |
| 116 | Froggr | Froggr is a clone of the classic Frogger game. | games | - |
| 117 | Fullerscreen | Really full screen... | xsidebar | 2.3.3 |
| 118 | fzami | Adds Muslim prayer times for your area in the status bar. | fzami | - |
| 119 | Gcache | Displays a google cached version of the webpage. | xsidebar | 0.2.4 |
| 120 | Gesso | Supports advanced Windows text input options | gesso | 0.3 |
| 121 | ghostfox | Stylises Firefox into Ghostzilla (The Invisible Browser) style. | ghostfox | - |
| 122 | Gmail Skins | Skins and other extra features for Gmail. | gmailskins | - |
| 123 | GMarks | Shows your google bookmarks in the sidebar. | xsidebar | 0.3.3 |
| 124 | Google Toolbar Button | Adds a toolbar button to Open Google. | tbutton | - |
| 125 | googlebar | The Googlebar for Firefox | googlebar | - |
| 126 | Greasemonkey | A User Script Manager for Firefox | greasemonkey | - |
| 127 | Hattrick LiveFox | Live match viewer for the online game Hattrick.org. | hattricklivefox | - |
| 128 | Header Spy | Shows HTTP headers on statusbar. | headerspy | - |
| 129 | Heroes | Forøg oplevelsen af online spillet Heroes | heroes | - |
| 130 | Hit-a-Hint | Click links by hitting hints! | hah | - |
| 131 | Hotmail blank page work-around | A Hotmail blank page Work-around. | database | - |
| 132 | httProxy | Access any page via configured web based proxies (also known as cgi proxies) | httproxy | - |
| 133 | I Am Lucky | "I'm feeling lucky" Google search from URLbar with ` | downloadstatusbar | - |
| 134 | IE Tab | Enables you to use the embedded IE engine within Mozilla/Firefox. | ietab | - |
| 135 | IE View | Open pages in IE via Firefox menus | ieview | - |
| 136 | Image Zoom | Adds zoom functionality for images | xsidebar | 0.3 |
| 137 | Image-Show-Hide | here is the localized description | imageshowhide | - |
| 138 | ImageShack right-click | Upload to ImageShack via right-click menu. | xsidebar | 0.3.6 |
| 139 | IMDb Preview | Preview movie & actor posters when hovering over their IMDb links. | imdbpreview | 0.4.3 |
| 140 | ImgLikeOpera | Show cached images only | imglikeopera | - |
| 141 | ImgLikeOpera | Show cached images only | imglikeopera | - |
| 142 | India Market | Get Updates on your desired Stocks from Bombay and National exchanges | indiamarket | - |
| 143 | InfoLister | Lists installed extensions and themes | xsidebar | 0.9f.1 |
| 144 | InFormEnter | Helper for form filling in semi-automatic mode. | informenter | - |
| 145 | infoRSS | Display RSS and Atom headlines in the Firefox status bar. | inforss | - |
| 146 | InstaClick | Open links instantly in new tabs with context-menu clicks | instaclick | - |
| 147 | Intuitive Tab Stacking | An intuitive way of stacking tabs, so when a tab is closed the tab you expect is selected. | twanno | - |
| 148 | Irish (IE) Language Pack | Firefox in Irish | gaeilge | - |
| 149 | Japanese-English Dictionary for rikaichan | JMdict Japanese-Multilingual Dictionary [2007-12-25] | rikaichan | - |
| 150 | Jdem.cz | Vytváří krátký odkaz z dlouhých adres. | jdemcz | - |
| 151 | Journal | A place to write, to keep, to read | journal | - |
| 152 | JS Console output redirector | Redirects JS Console output to a file. | xsidebar | 0.1 |
| 153 | jsliblive | JavaScript Live Chrome Dir | jslib | - |
| 154 | JSView | View the source code of external javascripts. | xsidebar | 1.4 |
| 155 | Jump Link | Open redirect links. Directly! (e.g. in Hotmail messages without going through the frame window). | xsidebar | 1.3.2 |
| 156 | kaizou | Modify web pages and share the result with other people ! | kaizou | - |
| 157 | KeywordBar | Displays your keywords in a sidebar | xsidebar | 0.3.3 |
| 158 | keywordManager | Small tool to manage bookmarks keywords | xsidebar | 0.6.4 |
| 159 | Knowledge Fractal | A general browser-based implementation of Rudy Rucker's fractal text idea | database | - |
| 160 | Launch | Start Yahoo Launchcast from Firefox | downloadstatusbar | - |
| 161 | Launchy | Open links and mailto's with external applications like Internet Explorer, Netscape, Opera, Outlook etc | launchy | - |
| 162 | Launchy | Open links and mailto's with external applications like Internet Explorer, Netscape, Opera, Outlook etc | launchy | - |
| 163 | LCD Clock | An LCD looking clock | xsidebar | 0.4.2 |
| 164 | Leak Monitor | This extension pops up an alert dialog to warn chrome and extension developers about one particular type of leak. It warns when windows close but leave other code pointing at their JavaScript objects. | xsidebar | 0.3.6 |
| 165 | Leet Key | Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, Morse Code, DVORAK, Upper Case, Lower Case, DES. | leetkey | - |
| 166 | Link Toolbar | A site-navigation toolbar | cdn | - |
| 167 | Link Toolbar | A site-navigation toolbar | cdn | - |
| 168 | Link Toolbar | A site-navigation toolbar | cdn | - |
| 169 | Link Widgets | A site-navigation tool | cdn | 1.6 |
| 170 | Linky | Open/download/validate links and pictures in tabs or windows | linky | - |
| 171 | Linky | Open/download/validate links and pictures in tabs or windows | linky | - |
| 172 | Live HTTP Headers | View HTTP headers of a page and while browsing. | livehttpheaders | 0.13.1.1 |
| 173 | LJlogin | Tells you which LiveJournal account you're logged in with, and lets you switch between them. | xsidebar | 2.0 |
| 174 | Locale Switcher | Displays a tools menu item for switching the application locale. | enigmail | - |
| 175 | LocalLink | Open links in local context. | locallink | - |
| 176 | MailFrom | Enables mailto links to point to any webmail service for writing email. | mailfrom | - |
| 177 | MeasureIt | Draw out a ruler to get the pixel width and height of any elements on a webpage. | xsidebar | 0.3.6 |
| 178 | Menu Editor | Customize application menus | menueditor | - |
| 179 | mid | Mozilla Internet Dictionary | mid | 0.8.4 |
| 180 | mid-babelzilla | Babelzilla glossaries for MID | mid | 0.3 |
| 181 | mid-iate | IATE dictionaries for MID | mid | 0.6 |
| 182 | mid-opentran | Open-Tran dictionaries for MID | mid | 0.3 |
| 183 | Minimize To Tray Button | Adds a toolbar button to minimize FireFox or ThunderBird. | tbutton | - |
| 184 | MinimizeToTray | Minimizes Mozilla windows into the system tray | minimizetotray | - |
| 185 | Mnenhy | Mozilla enhancements with special focus upon Mail&News | mnenhy | - |
| 186 | Modify Headers | Add, modify and filter http request headers | modifyheaders | - |
| 187 | Moji | An integrated Japanese dictionary, including kanji dictionary. | moji | - |
| 188 | Moji-CnDe | Chinese-German Dictionary for Moji | moji | - |
| 189 | Moji-CnEn | Chinese-English Dictionary for Moji and Firefox | moji | - |
| 190 | Moji-De | Japanese-German Dictionary for Moji based on Wadoku | moji | - |
| 191 | Moji-En | Japanese-English Dictionary for Moji | moji | - |
| 192 | Moji-Fr | Japanese-French Dictionary for Moji | moji | - |
| 193 | Moji-JpNam | Dictionary of Japanese names | moji | - |
| 194 | Moji-J_Places | Dictionary of places in Japan | moji | - |
| 195 | Moji-Kanji-De | Japanese Kanji Dictionary in German for Moji | moji | - |
| 196 | Moji-Kanji-En | Japanese Kanji Dictionary in English for Moji | moji | - |
| 197 | Moji-Kanji-Fr | French Kanji Dictionary for Moji | moji | - |
| 198 | Moji-Kr | Japanese-Korean Dictionary for Moji | moji | - |
| 199 | Moji-Ru | Japanese-Russian Dictionary for Moji | moji | - |
| 200 | Moji-SCnDe | Simplified Chinese-German Dictionary for Moji | moji | - |
| 201 | Moji-SCnEn | Simplified Chinese-English Dictionary for Moji | moji | - |
| 202 | mozcc | Provides an interface for viewing embedded Creative Commons licenses. | mozcc | - |
| 203 | Mozile | WYSIWYG editing of XHTML and XML+CSS | mozile | - |
| 204 | Mozile Editor - Development Version | Allows inline WYSIWYG editing of XHTML and XML+CSS | mozile | - |
| 205 | mozImage | Allow you to browse image on your local machine. | xsidebar | 1.4.5 |
| 206 | mozPhone | MozPhone Communication Center | moziax | - |
| 207 | Mozteroids | Mozteroids is a variant of the computer game classic, 'Asteroids'. | games | - |
| 208 | multicolumn | Display web pages in multiple columns | multicolumn | - |
| 209 | Named anchors | Adds a new tab to Page Info with information about the named anchors in the current document. | xsidebar | 0.3.2 |
| 210 | Names Dictionary for rikaichan | Japanese Proper Names Dictionary [2008-04-05] | rikaichan | - |
| 211 | NeedleSearch | Enables you to bookmark the search engines of your choice | needlesearch | - |
| 212 | Neo Diggler | A URL manipulation tool for power users | xsidebar | 1.0.3 |
| 213 | NewsFox | RSS/Atom News Reader. | newsfox | 1.0 |
| 214 | NextPlease | Navigate next/prev search results with the press of a key. | nextplease | - |
| 215 | No Squint | Zooms text by user-configurable percentage | xsidebar | 1.0.0 |
| 216 | Nuke Anything Enhanced | Allow hiding of almost anything via context menu | xsidebar | 0.67 |
| 217 | Objection | Removes Flash Local Shared Objects (LSOs) | objection | 0.3.0 |
| 218 | Ook | Adds your bookmarks to the context menu. | cdn | - |
| 219 | OpenMedSpel | Medical (USA English) spellchecking dictionary | openmedspel | - |
| 220 | OperaView | Open pages in Opera from Firefox, Mozilla, Flock and Netscape 8 context menus. | operaview | - |
| 221 | Options Toolbar Button | Adds a toolbar button to Open Options. | testo | - |
| 222 | Organize Status Bar | Organize your status bar icons. | xsidebar | 0.5.2 |
| 223 | Orkut Toolbar | Helps you to format your posts in Orkut like in a Text Editor | orkutbar | - |
| 224 | Padma | Transformer for Indic Scripts | padma | - |
| 225 | PagePlaylist | Mostra un piccolo player in flash con una playlist di tutti i link mp3 presenti nella pagina corrente. | pageplaylist | - |
| 226 | PagMan | A Pacman clone with 2-player mode. | games | - |
| 227 | Panic Button | Hide all browser windows when the boss walks by. | aecreations | - |
| 228 | PlainOldFavorites | Use Internet Explorer Favorites directly from Firefox | xsidebar | 1.0.1 |
| 229 | Platypus | Dynamically create GreaseMonkey scripts. | platypus | - |
| 230 | Popomungo | Popmundo Enhancements | popomungo | 2.5.10 |
| 231 | PrefBar | A toolbar for quickly accessing and changing common preferences, run scripts and many more... | prefbar | - |
| 232 | Prefswitch | Add preference switches to the status bar. | prefswitch | - |
| 233 | Allow printing via context menu | database | - | |
| 234 | Print Preview Toolbar Button | Adds a toolbar button to Open Print Preview. | testo | - |
| 235 | ProxyButton | ProxyButton creates a toolbar button to quickly turn proxy on and off. | proxybutton | 0.3.1 |
| 236 | pyshell | Python interactive shell | pyxpcomext | 0.3 |
| 237 | PyXPCOM | Python 2.5.2 XPCOM bindings | pyxpcomext | 2.5.2.20080510 |
| 238 | PyXPCOM Examples | Demonstrate Python XPCOM code samples | pyxpcomext | 0.1 |
| 239 | pyxultest | Python XUL script handling tests | pyxpcomext | 1.0 |
| 240 | QuickJava | Allows quick enable and disable of Java and Javascript from statusbar. | xsidebar | 0.4.2.1 |
| 241 | QuickNote | A note taking extension with advanced features | quicknote | - |
| 242 | Rabidfox | Creates link between a page where you copy and a page where you paste. | rabidfox | - |
| 243 | Redirect Remover | Removes Redirects from Links and Images | redirectremover | - |
| 244 | refspoof | Allows easy spoofing of URL referer w/ toolbar. (classic version) | refspoof | - |
| 245 | refspoof | Allows easy spoofing of URL referer (referrer) w/ toolbar. | refspoof | - |
| 246 | Related | Performs a sidebar seacrh fore related sites, with Google Related. | xsidebar | 1.3 |
| 247 | Reliby | Reload all your Live Bookmarks | reliby | - |
| 248 | ReloadEvery | Reloads webpages every so many seconds or minutes | reloadevery | - |
| 249 | ReminderFox | Displays and manages reminders and ToDo's | reminderfox | - |
| 250 | Resizeable Textareas and Form Fields | Resize HTML form fields, including textareas, select boxes, and text fields. | xsidebar | 0.1a |
| 251 | REST Client for Firefox | A simple restclient extension for firefox | restclient | - |
| 252 | Resurrect Pages | Resurrect dead pages, by finding their ghosts. | xsidebar | 1.0.7 |
| 253 | Rikaichan | Popup Japanese dictionary. Licensed under GNU GPL. | rikaichan | - |
| 254 | Rikaitools | Connectivity to the rikai.com service. | moji | - |
| 255 | RSS Editor | Gecko based desktop RSS editor | rsseditor | - |
| 256 | Russ Key | Allows typing in phonetic Russian, transforming translit into Cyrillic and English to Russian, Russian to English translations. | russkey | - |
| 257 | Sage | A lightweight RSS and ATOM feed aggregator. | sage | - |
| 258 | Save File to | Save files to user-defined folders and their sub-folders straight from context menu. | savefileto | 0.5.3 |
| 259 | Save Page As | Adds a toolbar button to save pages. | tbutton | - |
| 260 | ScrapBook | Helps you to save Web pages and organize the collection. | xsidebar | 1.3.3.2 |
| 261 | ScribeFire | A full featured blog editor that integrates with your browser and lets you easily post to your blog. | xsidebar | 1.4.6 |
| 262 | Search Engine Wizard | xsidebar | 0.2.2.2 | |
| 263 | Searchbar Autosizer | Auto resizes the search bar as you type | searchbarautosizer | - |
| 264 | SearchWith | Search text with various search services | searchwith | - |
| 265 | Send Page By Email | Send page by email. | sendpagebyemail | - |
| 266 | Send Tab URLs | Emails the URLs of all browser tabs. | aecreations | - |
| 267 | Session Manager | Saves and restores the state of all windows. | sessionmanager | - |
| 268 | Show Anchors | Show and catch anchors in page quickly | xsidebar | 1.51 |
| 269 | Sidelinks Sidebar | This extension allows you to harvest links from pages into the sidebar. | xsidebar | 0.3 |
| 270 | SinhalaKey | A Extension for typing in Sinhala language. | sinhalakey | - |
| 271 | Slashy | Fixes Windows backslash file separators in links and images | slashy | - |
| 272 | Slashy | Fixes Windows backslash file separators in links and images | slashy | - |
| 273 | SmoothWheel | Scrolls the document smoothly when scrolling the mouse wheel | smoothwheel | 0.44.14.20080509 |
| 274 | Snake | Snake is a clone of the popular Snake or Worm game. | games | - |
| 275 | SpiderZilla | Spiderzilla is an easy-to-use website mirror utility , based on Httrack from www.httrack.com. | spiderzilla | - |
| 276 | SQLite Manager | Manage any SQLite database on your computer | xsidebar | 0.2.25 |
| 277 | standardogame | Making Ogame a better place... | standardogame | - |
| 278 | Startup Switch | Right-click the home button to change startup options | downloadstatusbar | - |
| 279 | Statusable | Unclutter statusbar | xsidebar | 0.9 |
| 280 | Statusbar Clock | Display the date and time in your browser's status bar. | xsidebar | 1.7.1 |
| 281 | Stock Quote | Allow getting stock quote of selected ticker from any financial site that you define in the setting page | database | - |
| 282 | Storage Inspector | Easy access to Mozilla sqlite databases | xsidebar | 0.5 |
| 283 | Stylish | xsidebar | 0.4 | |
| 284 | SurfKeys | Comfortable surfing with keyboard. | surfkeys | - |
| 285 | Tab Clicking Options | Select actions for clicking events on a tab or the tabbar | twanno | - |
| 286 | Tab Effect | Tab Effect | xsidebar | 1.1 |
| 287 | Tab in Textarea | Insert tab characters in textareas. | tabinta | - |
| 288 | TabLang | Allows you to keep separate keyboard layout for each tab | tablang | 0.1.0.1 |
| 289 | Tabs Menu | Adds a drop-down list of tabs to the main menu bar. | xsidebar | 1.4.1 |
| 290 | Tabs Open Relative | Tabs open to the right of the current one. | xsidebar | 0.3.0.1 |
| 291 | TabSST | Wheel mouse still scrolls the page when the pointer is on a tab. | downloadstatusbar | - |
| 292 | Tails Export | Extension for Showing and Exporting Microformats. | xsidebar | 0.3.2 |
| 293 | TamilKey | A utility for typing in Tamil language. | tamilkey | - |
| 294 | Tamper Data | View and modify HTTP/HTTPS headers etc. | tamperdata | - |
| 295 | Testo - Text Editer | A text editer for FireFox. | testo | - |
| 296 | text/plain | Treats selected plain text urls, and email addresses as links and adds options to the context menu on how to use these. | xsidebar | 1.1.8 |
| 297 | TextZoom | Override the default text-zoom level. | xsidebar | 1.7.0 |
| 298 | Themes Toolbar Button | Adds a toolbar button to Open Theme Manager. | testo | - |
| 299 | ThumbsDown | Bulk image downloader | thumbsdown | 0.8.2 |
| 300 | Tidy Browser Button | Toggle the size of the Firefox browser between the two standard web page sizes. | xsidebar | 0.1.6 |
| 301 | Time Shift | Changes site dates and times to your local time and format of choice. | timeshift | 0.0.4 |
| 302 | Toggle Word Wrap | Toggle word wrapping in Thunderbird (Composer window) or Firefox (<PRE> elements) | xsidebar | 1.0 |
| 303 | Toolbar Buttons | Adds toolbar buttons. | testo | - |
| 304 | Torrent Finder Toolbar | Search over 180 top torrent sites and trackers from one page. Compare Between Torrents, read different comments and find the best seeded torrents. | torrent | - |
| 305 | TotalToolbar | Customize and place multiple toolbars almost anywhere. Customize statusbar too. | totaltoolbar | 1.2 |
| 306 | Translation Panel | An input text is translated into a foreign language. | database | - |
| 307 | Trivial | Trivial. | cdn | - |
| 308 | TVMoz - Simple Media Collector Extension | Project 3 for class CSCI 193 (Simple Media Collecto Firefox Extension). | tvmoz | - |
| 309 | Tweak View Source | Add statusbar and line numbering. | cdn | - |
| 310 | UDToolbar | Graphical interface for UD | udtoolbar | - |
| 311 | Update Channel Selector | Allows you to change the application update channel. | xsidebar | 1.0.3 |
| 312 | Update Scanner | Monitors webpages for updates | updatescanner | - |
| 313 | URI id | Allow use of site-specific userContent.css. | cdn | - |
| 314 | User Agent Switcher | Adds a menu and a toolbar button to switch the user agent of the browser. | xsidebar | 0.6.10 |
| 315 | Validaty | One Click Validator. Provides you a button to validate a page using a validator like validator.w3.org | validaty |