Gewildste Sien almal »

Topgegradeer Sien almal »

  • Copy Plain Text 2

    Rated 5 out of 5 stars (55)
    Copies text without formatting
    37 589 gebruikers
  • XNote++

    Rated 5 out of 5 stars (62)
    Persistent sticky notes for Thunderbird associated to mails.
    This is a port to Thunderbird >= 3 and Seamonkey >= 2 based on XNote 2.1.0 ( ) with bugfixes and additional features.
    19 396 gebruikers
  • Add more items to Add-ons Manager context menu.
    9 929 gebruikers
  • Addons Manager Hilite

    Rated 5 out of 5 stars (18)
    Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.
    936 gebruikers
  • SmartTemplate4

    Rated 5 out of 5 stars (47)
    SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.
    17 323 gebruikers
  • Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
    3 941 gebruikers
  • QuickNote

    Rated 5 out of 5 stars (165)
    A simple note-taking extension.
    26 630 gebruikers
  • Addons Quick Search

    Rated 5 out of 5 stars (9)
    Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
    Additionally remember and restore last selected item in each list.
    637 gebruikers
  • AutoCopy 2

    Rated 5 out of 5 stars (56)
    Copies selected text to the clipboard automatically.
    18 203 gebruikers
  • Croatian spell checking dictionary for Firefox 2.0 is based on the Croatian dictionary (hrvatski) created by Denis Lackovic ( and licensed under...
    450 gebruikers
  • UnMHT

    Rated 5 out of 5 stars (198)
    UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
    93 078 gebruikers
  • OverbiteFF

    Rated 5 out of 5 stars (15)
    Add legacy protocol support back to Firefox and SeaMonkey with OverbiteFF, which restores support for Gopher servers, plus CSO/ph searches, finger, whois and more! Cross-platform JavaScript runs anywhere Firefox does.
    3 540 gebruikers
  • BBCodeXtra

    Rated 5 out of 5 stars (57)
    BBCodeXtra is an extension, compatible with Mozilla FireFox and Seamonkey, which adds to the context menu new commands to insert BBCode/Html/XHtml codes in an easy and fast way...
    8 007 gebruikers
  • Send Later

    Rated 5 out of 5 stars (54)
    True "Send Later" functionality to schedule the time for sending an email.
    51 848 gebruikers
  • Persona Switcher

    Rated 5 out of 5 stars (40)
    Quickly switch between your personas or reset it back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox, Thunderbird, and Seamonkey.
    2 051 gebruikers
  • Deutsches Wörterbuch (neue Rechtschreibung), erweitert mit österreichischen Wörtern, für die Rechtschreibprüfung in Mozilla-Produkten
    40 997 gebruikers
  • Addons Recent Updates

    Rated 5 out of 5 stars (8)
    Show more addons recent updates
    1 951 gebruikers
  • Xuxen

    Rated 5 out of 5 stars (5)
    Xuxen euskara hiztegia.
    3 846 gebruikers

Onlangs bygevoeg Sien almal »

See all 280 extensions in Allerlei »