Compatibility Tables of Converted Extensions
Extension Compatibility Tables for SeaMonkey
Quick navigation: Firefox extensions | Thunderbird extensions
This is a list of Firefox and Thunderbird extensions that have been tested in SeaMonkey after running them through the converter. This list is not complete – there may be many other extensions working fine after conversion so feel free to experiment with the converter yourself and let us know about the results.
Firefox extensions
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Adblock Plus Pop-up Addon
Compatible
Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions. |
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Add to Search Bar
Compatible
Make any pages' search functionality available in the Search Bar (or "search box")...
Tested Versions:
2.5 |
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Add-on Compatibility Reporter
Not compatible
Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.
Tested Versions:
2.0.6.1-signed
Compatibility Notes:
On AMO tagged as not available for SeaMonkey,Add-on Compatibility Reporter[converted] 2.0.6.1-signed installs without problems, but does NOT work for me after conversion with English SeaMonkey 2.45a1 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0 Build 20160308001946 (Default Classic Theme) on German WIN7 64bit: I do not see anything new in Add-Ons-Manager. |
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All-in-One Gestures
Not compatible
This extension allows you to execute common commands using mouse gestures, rocker navigation, scroll wheel navigation and page...
Compatibility Notes:
It can be forced to work somehow but is buggy and many features don't work. Use Mouse Gestures Suite instead. |
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Ant Video Downloader
Not compatible
It has never been simplier to download videos from Youtube, Dailymotion and from most of the video streaming site. Just play the video, click on the toolbar, download and play it immediately in our integrated video player. |
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Autofill Forms
Compatible
Autofill Forms enables you to fill out web forms with one click.
Tested Versions:
1.0.2 |
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Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
Tested Versions:
2.4.6
Compatibility Notes:
requires SM 2.33 or later |
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BetterPrivacy
Compatible
Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others... Latest updates: See bottom link 'version history'!
Tested Versions:
1.68, 1.69, 1.74
Compatibility Notes:
Due to TmoWizard also Version 1.69 works fine with SeaMonkey 2.43 on unknown Operating System. |
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Blank Your Monitor + Easy Reading
Compatible
BYM: Changes color combination ; left-click in the statusbar for changing its status (ON/OFF) or press Ctrl-Alt-B. ER: Makes text reading easy; select the text, right-click, select the "Easy Read" entry in the context menu or press Ctrl-Alt-Z
Tested Versions:
1.9.11 |
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BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.
Compatibility Notes:
password protection doesn't work |
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BlockSite Plus
Compatible
BlockSite, improved and bugless. Try the companion mobile firefox extension BlockSite Plus mobile.
Tested Versions:
1.1 |
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Bottom Error Console
Compatible
Displays The build in Error Console in the bottom of Browser window.
Tested Versions:
0.3.4, 0.3.4.1-signed
Compatibility Notes:
On AMO tagged as not available for SeaMonkey, Bottom Error Console 0.3.4.1-signed works fine for me after conversion with English SeaMonkey 2.45a1 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0 Build 20160308001946 (Default Classic Theme) on German WIN7 64bit |
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Browsec VPN
Not compatible
Encrypts traffic and unlocks sites. Facebook closed by an overzealous sysadmin? Browsec to the rescue! Browsec encrypts your traffic and routes it through our secure cloud. No one will be able to identify, track you or sniff your traffic.
Tested Versions:
2.0.3
Compatibility Notes:
On AMO tagged as not available for SeaMonkey, unknown version of add-on does NOT work after conversion with unknown SeaMonkey version on unknown Operating system due to kmike: no toolbar button appears and no IP change |
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Cache Status
Compatible
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CanvasBlocker
Compatible
Blocks the JS-API for modifying <canvas> to prevent Canvas-Fingerprinting.</canvas>
Tested Versions:
0.1.6-Release |
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Capture & Print
Compatible
This add-on lets you print a webpage's area easily.
Tested Versions:
0.1.9.2 |
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Check4Change
Compatible
Check4Change (aka C4C) is a simple extension that allows you to select a part of a web-page, and get notified when it changes.
Tested Versions:
1.9.8.3
Compatibility Notes:
Converted Add-On installs and works fine with unzipped installer of officialen-US SeaMonkey 2.53a1 (NT 6.1; WOW64; rv:56.0) Gecko/20100101 Firefox/56.0 Build 20170706013410 (Default Classic Theme) on German WIN7 64bit (but I did only very few tests) |
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ChromaTabs
Mostly compatible
Tints browser tabs with a color specific to the website loaded. This helps you identify tab contents based on a distinct visual cue.
Tested Versions:
2.0
Compatibility Notes:
Be aware this is a very old extension and how well it works may depend on your theme and/or system. |
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Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog
Tested Versions:
3.10.0 |
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Classic Opera
Not compatible
Brings a few (mostly tab related) features from older versions of Opera to Firefox.
Tested Versions:
1.5 |
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Close Button
Mostly compatible
Adds a Close Tab (or Window, or Browser) button to the toolbar, so you can put it where you want it. The appearance follows your current theme.
Tested Versions:
0.4.1
Compatibility Notes:
when close button is set to close tab then it will not close window when there are no more tabs, regardless of settings |
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Close Tabs to the Right
Not compatible
Add "Close Tabs to the Right" menu to tab context menu. Project is available on github, https://github.com/yukihr/CloseTabsToTheRight-FirefoxExtension .
Tested Versions:
0.1.9
Compatibility Notes:
You may be interested in converting RemoveTabs. |
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Color Transform
Compatible
Adapt page colors to your taste or need. Save your favorite color scheme for automatic coloration. Comes with 18 predefined themes and 24 basic transforms for hue, saturation, lightness and opacity. For Firefox 24.0 and above. |
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CoLT (short for "Copy Link Text") makes it easy to copy either a link's text, or both the link text and its URL in a format you specify. This non-invasive extension simply appears as context menu items when you right-click a link. Fully customizable!
Tested Versions:
2.6.4 |
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Compact Menu 3 - Blue
Not compatible
Compatibility Notes:
Some minimal functionality exists like being able to make the menu smaller, however other things are broken. |
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Config Descriptions
Compatible
Shows source comments for advanced application preferences in about:config
Tested Versions:
1.0.1-signed
Compatibility Notes:
On AMO tagged to be "Not available for SeaMonkey 2.39", works fine after conversion due to DERoss on unknown Operating system |
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Context Search
Compatible
Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search. |
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Cookie Monster
Compatible
Cookie Monster provides proactive cookie management on a site or domain level basis, including 3rd party cookies. Via the status bar, it provides easy access to enhanced cookie functionality, while doing so in a non-intrusive manner.
Tested Versions:
1.2.0 |
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Coprolalia
Compatible
Coprolalia will insert swearwords into the text of all web pages you visit. It's compatible with all versions of Firefox! It only works with English web pages. Note: Coprolalia is also available for Chrome. Get it at https://goo.gl/IJy3hO
Tested Versions:
1.0 |
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Copy Link Name
Compatible
Copies the name (source anchor) of a link. Just a small extension that adds a context menu item to copy a link's source anchor...
Tested Versions:
1.3.5.3.1-signed
Compatibility Notes:
Warning: newer version 1.3.5.5.1-signed is adware, make sure that you convert version 1.3.5.3.1-signed. |
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Copy Title
Compatible
Adds a "Copy Title" menu item to the pop-up menu. This puts the current page title on the clipboard. CTRL-V to pase.
Tested Versions:
1.1.1-signed.1-signed
Compatibility Notes:
Due to user grahamperrin's posting on Firefox & Thunderbird Add-on Converter for SeaMonkey (2017-11-18) this add-on installed and works fine for SeaMonkey with unknown Version, OS and language/localization |
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Copy Title and URL
Not compatible
This addon will provide a way to copy title and url by using menu and context menu.
Tested Versions:
1.0
Compatibility Notes:
Due to user grahamperrin's posting on Firefox & Thunderbird Add-on Converter for SeaMonkey (2017-11-18) this add-on is NOT compatible with SeaMonkey with unknown Version, OS and language/localization. It's unknown which problems make it incompatilbe (installation fails? UI damaged? Does not work?) |
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Custom Tab Width
Compatible
Lets you customize the minimum and maximum tab width.
Tested Versions:
1.0.1.1-signed
Compatibility Notes:
Note: this extension will not restore default widths on disabling or uninstallation. |
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Cute Xdebug
Not compatible
Adds toolbar buttons for enabling/disabling Xdebug debugging and profiling.
Tested Versions:
1.0.3 |
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Dafizilla ViewSourceWith
Compatible
The main goal allows users to open (and in some cases edit) page source with external applications.
Tested Versions:
0.9.4.3.1-signed
Compatibility Notes:
View Source With menu does not work in Mail Compose window - but it's hard to treat it as an error because this extension is not event meant to work in SeaMonkey Mail or Thunderbird. However, in Mail Messenger windows the menu is functional. |
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Default FullZoom Level
Not compatible
Set Default FullZoom Level, Toolbar buttons for Page zoom and Text zoom.
Tested Versions:
7.4.1-signed
Compatibility Notes:
SM2.35, SM 2.38, SM 2.39 (WIN7 64bit Build 20151103191810), SM 2.41a1 (Linux 64bit Build 20151029003002): Browser [Back] icon in browser navigation toolbar will no longer work if add-on is installed and active. 'Tools → Add-ons-Manager → [Preferences]' shows XUL error |
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DictionarySearch (Official Version)
Compatible
Looks up a user selected word in an online...
Tested Versions:
28.0.0.1-signed |
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Disable DHE
Compatible
Disables ephemeral Diffie-Hellman cipher suites that are vulnerable to the logjam attack.
Tested Versions:
0.1.1 |
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Disconnect
Compatible
Make the web faster, more private, and more secure.
Tested Versions:
3.15.3.1
Compatibility Notes:
On AMO tagged as not available for SeaMonkey, Disconnect [converted] 3.15.3.1-signed.1-signed installs without problems and works fine with English SeaMonkey (unknown Version) on Kubuntu 14.04(?) due to Michael Speier |
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Domain Details
Compatible
Displays Server Type, Headers, IP Address, Location Flag, and links to Whois Reports. Shows links to check server status and cache when page fails to load.
Tested Versions:
2.7 |
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Double Click Closes Tab
Compatible
The fastest (yet safe) addon to close tab using mouse only! Close any tab by double clicking the tab. Close current tab by triple click anywhere on the page. Optionally middle click or double right click on page to close tab.
Tested Versions:
0.27 |
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Download Manager (S3)
Not compatible
View and manage downloads from a tidy statusbar This is a new life in Firefox 26+ for old well-known addon Download Statusbar New Features: Replace Downloads Library page. Now you have full control of your downloads history!
Tested Versions:
3.05 |
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Drag & DropZones
Compatible
Get rid of that clumsy context menu, and search the web using up to 100 stylish Drag & DropZones
Tested Versions:
1.6.1 |
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DragNDrop Toolbars
Compatible
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Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page. |
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easy Xdebug
Mostly compatible
This addon was built to make debugging while using netbeans PHP easier.
Compatibility Notes:
SM support is formally included but this add-on is very old and will benefit from conversion. There are some js errors in console but they seem to be harmless. |
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easy Xdebug (with moveable icon)
Not compatible
set debug cookies (eg $cookie[XDEBUG_SESSION]='netbeans-xdebug') on your localhost, to enable remote debugging in eclipse/netbeans. redo of 'easy Xdebug' +moveable icons (eg. to bookmarkbar) +refreshes the icons on tab change +config cookies |
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easyGestures N
Partially compatible
A fully customizable pie menu for browsing the Web from where your cursor is located; a fork of easyGestures 4.3.2.
Tested Versions:
4.7
Compatibility Notes:
Most configurations work but there are a few actions that do not. This extension is made for a very old version of SM and will hence benefit from conversion. |
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Word translation in tooltip with English⟷Croatian dictionary already incorporated.
Tested Versions:
2.4.4 |
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Empty Cache Button
Compatible
Cache clearing made easy. One click.
Compatibility Notes:
Only avaliable from Classic Add-ons Archive |
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ErrorZilla Plus
Compatible
This extension is a replacement of Firefox official error page, which adds some useful tools to aid your troubleshooting. The tools include: - Google Cache (view the page cached by Google) - Coralize (use Coral CDN proxy to connect again) - Wayback (view an earlier version of this page) - Ping (use a server to ping the target server) - Trace (trace the network route from you to the server) - Whois (look up who owns the website) - Proxify (use your custom web proxy to connect)
Tested Versions:
1.2.3 |
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Exit Button Firefox
Compatible
Adds a toolbar button to exit Firefox...
Tested Versions:
0.4.2
Compatibility Notes:
Note: this and Exit Button Thunderbird will not cooperate together so choose only one. |
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Expire history by days
Compatible
Allows to expire history older than a fixed amount of days.
Tested Versions:
1.2.0
Compatibility Notes:
On AMO tagged as not available for SeaMonkey, version 1.2.0 of add-on works fine after conversion with unknown SeaMonkey version on unknown Operating system due to DERoss |
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Extended Statusbar
Not compatible
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
Tested Versions:
2.0.3 |
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Visual bookmarks for Firefox. (Works with all latest versions of Firefox)
Tested Versions:
4.12 |
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Fire Commander
Compatible
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A simple yet configurable form filler. Includes support for multiple profiles and custom field names. Localized for English, Français (French), limba română (Romanian) and русский язык...
Tested Versions:
0.7.5 |
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FireGestures
Not compatible
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures. |
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Label your Firefox browser windows with mnemonic titles. Find the Firefox window you're looking for, fast...
Tested Versions:
0.5.5-1
Compatibility Notes:
Due to user grahamperrin's posting on Firefox & Thunderbird Add-on Converter for SeaMonkey (2017-11-18) this add-on installed and works fine for SeaMonkey with unknown Version, OS and language/localization. |
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Flashblock
Mostly compatible
Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...
Tested Versions:
1.5.19a1
Compatibility Notes:
Some problems with blocking YouTube HTML5 videos - see this discussion. Version 1.5.19a1 is still better than the official one. |
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FlashStopper
Not compatible
Stops flash autoplay and shows the video preview thumbnail.
Tested Versions:
1.2.8 |
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A stylized clock add-on for the status bar with a variety of display options, including flip clock, nixie clock, LED clock, and LCD clock.
Tested Versions:
0.82.1-signed |
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Font Finder
Partially compatible
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
Tested Versions:
1.1.1
Compatibility Notes:
This addon apparently supports some ancient versions of SeaMonkey but not the current ones. Convert with default options (despite warning) and it will work fine. Warning: using "analyze selection" from context menu more than once crashes the browser. |
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Provides tools to find out details of the fonts used in a web page.
Compatibility Notes:
Page Info window will be a bit broken - convert without porting Page Info features (in options) to keep right-click context menu feature only without breaking Page Info. You may also be interested in converting Font Finder. |
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Force Content-Type
Mostly compatible
An extension to force the Content-Type of URLs...
Tested Versions:
1.2.2.1-signed
Compatibility Notes:
Context menu on the status bar icon may lack background. |
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Free Memory
Not compatible
An add-on to perform free-memory operations without visiting about:memory.
Tested Versions:
0.95 |
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Full Web Page Screenshots (♥♥♥♥♥) AKA FireShot
Not compatible
FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV Screenshots can be quickly captured and: ― Saved as Image or PDF ― Sent to clipboard ― Printed ― Annotated * ― Uploaded * ― E-Mailed * * OS Windows only
Tested Versions:
0.98.85
Compatibility Notes:
Generally Add-On-version0.98.85 works fine for mewithout any conversion on WIN for officially released SeaMonkey versions. For later Versions (I tested with English SeaMonkey 2.45a1 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0 Build 20160308001946 (Default Classic Theme) on German WIN7 64bit) adaption of maxVersion from '2.40.*' to '2.*' in "install.rdf" is required (the Add-On-Converter does the job) |
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FxKeyboard
Compatible
A virtual keyboard for Firefox. Adds a keyboard to the bottom of the window. Usefull for touchscreens or kiosks setups.
Tested Versions:
2.4.2 |
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Protect your privacy. See who's tracking your web browsing and block them with Ghostery.
Tested Versions:
6.2.0
Compatibility Notes:
On AMO tagged as available until outdated SeaMonkey 2.36 (max). Does not work at all for me with English SeaMonkey 2.45a1 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0 Build 20160308001946 (Default Classic Theme) on German WIN7 64bit: No ghostery Icon apears, preferences Ghostery page does not recognize installed Ghostery. Possible Alternative: Disconnect Ghostery 5.4.2 probably supported SeaMonkey 2.32 |
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Google Translator for Firefox
Compatible
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too. |
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Googlebar Lite
Partially compatible
A light-weight Google search toolbar for Firefox. Offers 14 search types, Google search suggestions (in 5.0+), search history auto-completion, a customizable toolbar, search word highlighting, and more.
Tested Versions:
5.0.6.1-signed
Compatibility Notes:
Find next occurrence fails. Search history dropmarker does not work. Search history dropmarker does not disappear after disabling search history, it will highlight all the matching words in a page, though. Read more in this discussion. |
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GrabMyBooks
Compatible
Grab content from web sites and feeds into an ePub / mobi file for your eBook reader. Create your own newspapers with news from all over the world.
Tested Versions:
1.8.2
Compatibility Notes:
On AMO tagged to be "FF only", works fine after conversion due to marias on unknown Operating System (ubuntu?) |
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Greasemonkey
Mostly compatible
Customize the way a web page displays or behaves, by using small bits of JavaScript.
Tested Versions:
2.3, 3.0, 3.8
Compatibility Notes:
Default script editor is not available - set up external editor in options to make the edit function work*. Otherwise it appears to work. You can also consider Scriptish, a GM fork, which supports SeaMonkey natively (use "Install Anyway" button if it appears as not available for SeaMonkey). Another alternative: Greasemonkey Port. *Update: In SeaMonkey 2.45 and later the developer tools are included therefore the internal editor will work (because it uses the Scratchpad, which is part of dev tools). No need to set up external editor. Therefore, Greasemonkey appears to be fully compatible. |
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History Submenus
Not compatible
This places each day's entire browsing history in a submenu of the history menu.
Tested Versions:
2.10 |
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History Submenus II
Not compatible
Add sub-menus to History Menu for previous days' history.
Tested Versions:
2.3.8 |
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I don't care about cookies
Mostly compatible
Get rid of annoying cookie warnings from tens of thousands of 'infected' websites!
Tested Versions:
2.3.5
Compatibility Notes:
Right-click menu entry "Report a cookie warning" does not work. |
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Image Picker
Compatible
Pick images while you browse. Choose (filter) images and save images from web page to local disk.
Tested Versions:
1.9.3 |
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Image Resizer/Scaler
Not compatible
Simply resize/scale any images on the web by dragging an image! Live demo: http://eliotvu.com/apps/image_resizer_demo
Tested Versions:
1.6 |
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Image Toolbar
Compatible
Single-click access to common actions for images (e.g. saving, copying, printing). This extension is intended to provide a replacement for the equivalent toolbar in Internet Explorer.
Tested Versions:
0.6.15 |
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MORE THAN 22 MILLION DOWNLOADS ImTranslator provides translation powered by Google Translate, Microsoft, Babylon for 70+ languages. It includes Translator, Dictionary, Text-to-Speech, Back Translation. Video Tutorial: http://youtu.be/qyLyFkQuMGU
Tested Versions:
8.3 |
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Informational Tab
Not compatible
Provides thumbnail, progress meter, or others to each tab.
Tested Versions:
0.5.2014100302 |