Page Toolkit
A powerful toolkit to restyle pages, improve focus with reader mode, zap annoying elements, and more.
1 user
Disco Mode
Brighten your day! Prank your friends! This funky add-on will transform website content into random colours!
1 user
ResponsiveView Wizard
Evaluate and fine-tune website responsiveness across diverse mobile devices to achieve consistent and appealing displays.
1 user
pctransactionfixer
Personal Capital Transaction Fixer Transaction fixer for Personal Capital's "Cash Flow" feature. Negative transactions in an "Income" category deduct from the "Income" tab instead of "Expenses", and vice-versa.
1 user
Chicken New Tab & Top Bar
Replaces your new tab page with a beautiful search page and walking chickens, and runs a chicken along the top of all pages.
Color Palettes and Gradients
Color Palettes and Gradients is your all-in-one Firefox color toolbox for designers and developers to generate attractive color palettes, random colors, gradients and shades for Website, Android Apps, iOS Apps, Presentation and Brochure designs.
MD4A4H
MD4A4H detects sites that offer Cloudflare Markdown-for-Agents and lets you switch the page you’re already on into a clean, readable Markdown view—with one click from the toolbar.
1 user
Life Clock
A 24-hour clock scaled to your lifespan — birth at 00:00, estimated death at 23:59. Displays on opening a new tab.
1 user
Grouper
A grouper which can group your tabs automatically when you use search engine. regards , Mohamad Samardeh Haghighi Fard :)
1 user
smtshowID
This addon is for seller not for a buyer. espicially for those tracking their lists everyday.Show the item id ,seller id and catalog id for result page in aliexpress site. 当一个卖家在速卖通输入关键词得到搜索结果时，产品的链接是一长串的url地址，对卖家而言既无必要又难以操作。 此插件会把产品的类别id和卖家提取出来
1 user
Dynamic Container Theme Color Switcher
Changes the theme color based on the active container tab's color
1 user
Digital Clock in a New Tab
Colorful distraction-free clock in a new tab. Customizable. Choose your preferred time format, background colors and zoom level.
1 user
KnowMyBrowser
Tells you which browser you are currently using, shown in a clear, easy-to-read popup with a customizable colored dot.
Literature Vocabulary Quiz
Test your knowledge of literary terms and vocabulary used in literature. Learn the definitions of essential literary devices, narrative techniques, and critical terminology.
1 user
Dark Mode — Dark Theme for Every Website
Instantly apply a dark theme to any website. Per-site toggle, adjustable intensity, and smart color inversion that keeps images natural.
Quick Plagiarism Checker
Quickly check for plagiarism by sending selected text to a free online checker.
1 user
OldifyReddit
New Reddit UI sucks, use this to force your browser to always use Reddit's old UI. Your browser requests to new Reddit will all be directed to https://old.reddit.com/* instead, ensuring that you always experience old Reddit.
1 user
Ambient Light for 3-monitor setup
Captures video colors and displays ambient light effect on side monitors.
1 user
Moment
By overriding your new tab with the Moment Dashboard, you are integrating motivation into your computer workflow. Moment allows you to easily remind yourself of your goals and journey so far to keep you motivated and focused throughout the day.
1 user
