To use these add-ons, you'll need to download Firefox.

Log in

11,350 extensions found in Appearance

Filter results
Search results
  • Prototype

    Prototype

    A scratch space for notes, links, reminders, and whatever else you want to keep around.

    Joel Gustafson

    2 users

  • about:newTab simple Clock

    about:newTab simple Clock

    Adds simple Clock on your about:newtab

    P0MID0R

    2 users

  • Super Mario Maker Course ID Linkifier

    Super Mario Maker Course ID Linkifier

    Converts all text in the Super Mario Maker Course ID format, on all websites everywhere, into that course's permalink on the Super Mario Maker Bookmark web portal, and adds a second link to bookmark the course without leaving the page you're on.

    freundTech

    2 users

  • Browser Information

    Browser Information

    Get all information about browser.

    Xtensionizer

    2 users

  • Grey Sun

    Grey Sun

    - Renders all webpages in greyscale by default - Can toggle button to turn off greyscale for specific page

    sil

    2 users

  • Tabify

    Tabify

    This extension allows you to use tabify.co web application integrated with your browser

    Tabify

    2 users

  • Redmine Today's Time Entries

    Redmine Today's Time Entries

    Redmine today's time entries. One click access today's time entries for redmine. AddOns>Redmine Today's Time Entries > Options > redmine url, api key, username

    Semih

    2 users

  • Breeze Maximize Button

    Breeze Maximize Button

    Toolbar button to maximize/restore current window that matches KDE Breeze theme.

    Andrey Orst

    2 users

  • LocalTv Mod

    LocalTv Mod

    LocaLTV Mod is an addon to run channels smoothly from localpeers.com

    LocalPeers

    2 users

  • No Focus Outlines

    No Focus Outlines

    Disables focus outlines for all elements.

    Rotem Dan

    2 users

  • GrassrootsPB

    GrassrootsPB

    Updates your GrassrootsPB.com call stats as you use CallHub, LiveVox, OpenVPB, TCN, CallFire, ImpactDialing, HubDialer, PDI, or VoteBuilder to make calls for our featured progressive candidates.

    Laksh Bhasin

    2 users

  • Antiquer

    Antiquer

    Adds diaereses and ligatures to English text.

    inthescales

    2 users

  • Device View Checker

    Device View Checker

    Check website views on various mobile devices.

    Quinn

    2 users

  • Personnalisation Deepseek

    Personnalisation Deepseek

    Améliore l'interface de Deepseek Chat avec de nouveaux thèmes et des options de personnalisation.

    Aurekin

    2 users

  • Fill it Up!

    Fill it Up!

    Automatically fill form fields

    FillitUp!

    2 users

  • Bring Back Twitter

    Bring Back Twitter

    Brings back old Twitter UI

    luckyluke0501

    2 users

  • Kandilli Earthquake Highlight

    Kandilli Earthquake Highlight

    Highlights earthquakes based on magnitude on KANDİLLİ RASATHANESİ last eathquakes data.

    emrearsay.dev

    2 users

  • New Tab Todo

    New Tab Todo

    A simple todo app that replaces the new tab page. You can add your tasks for the day and mark them as completed.

    Muhammad

    2 users

  • Web Notes

    Web Notes

    Add customizable sticky notes to any webpage!

    Code Learnry

    2 users

  • Modern Dark Mode for all

    Modern Dark Mode for all

    Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing. without any of fuss and a modern UI(fork of Dark Reader)

    Manas

    2 users

  • ExtremeLot - Chat Personalizzata (v.1)

    ExtremeLot - Chat Personalizzata (v.1)

    Cambia i colori del testo e dello sfondo nelle chat del Gdr Extremelot

    Vahlia

    2 users

  • Recent Tabs Master

    Recent Tabs Master

    Switching to previous active tabs through the list of recent tabs, complementing the Recent Tabs Forward, Recent Tabs Fast Forward

    Alex Furdylo

    2 users

  • FitGirl After Dark

    FitGirl After Dark

    Adds dark mode to FitGirl's website.

    Toni G

    2 users

  • Recent Tabs Forward

    Recent Tabs Forward

    Switching to next tab through the list of recent tabs, complementing the Recent Tabs Master, Recent Tabs Fast Forward

    Alex Furdylo

    2 users

  • Biodiversity Library - Wiki Tabs

    Biodiversity Library - Wiki Tabs

    Shows a random image from a set of selected Biodiversity Heritage Library files on Wikimedia Commons on new tabs.

    Tiago Lubiana

    2 users