Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,170,129 users
Simple Translate
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
320,247 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
146,565 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
76,608 users
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
39,010 users
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
18,618 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
29,685 users
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
20,358 users
Random User-Agent (Switcher)
Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent
4,094 users
Bionic Reader
- Apply Bionic Reading style with adjustable strength to a webpage. - Adjustable vowels for different languages. - Adjustable font family, font size, font weight and font opacity. - Support Unicode characters. - Apply dark mode to a webpage.
3,566 users
Ai Chat everywhere
Faster access to the best and free Ai Chats everywhere on all websites. support OpenAI ChatGPT, Google Gemini, You Chat, Perplexity Ai, Bing image, Suno music, Copilot.
2,427 users
Mobile Dyslexic
Mobile Dyslexic replaces all fonts of all web pages with carefully crafted special font which is easier to read by people with dyslexia.
2,313 users
Tab Mover
Move tabs between windows via the context menu.
1,412 users
OpenDyslexic for Firefox
Open-Dyslexic is an open sourced font created to increase readability for readers with dyslexia. This extension overrides all fonts on web pages with the OpenDyslexic font, and formats pages to be more easily readable.
1,362 users
Symbaloo Homepage and Search
Symbaloo Extension for setting Symbaloo as the Homepage in your FireFox Browser. With Symbaloo you surf with one click to all of your favorite websites.
1,036 users
AInspector for WCAG Accessibility Evaluation
Inspects web pages for features and issues related to WCAG 2.2 level A and AA requirements for making web pages more accessible to people with disabilities using web accessibility standards, including WCAG, ARIA and ARIA in HTML specifications.
1,025 users
SuperStop
SuperStop adds a Shift+Esc shortcut and toolbar button that stops background requests and animations even when the Firefox Stop button is disabled.
911 users
YourCodecs
Why do some YouTube videos make the browser freeze, the computer heat up, and the cooling fans spin like it's about to take off? It's possible that the video selected a codec that your computer doesn't support.
834 users
Convert File
Add Convert File & Custom Web Search extension then click the icon on your toolbar Convert Your Files plus Yahoo Web Search.
737 users
Scroll Zoom
Zoom web pages with the left or right mouse button and the scroll wheel.
686 users
Fast Tab Switcher
Fast Tab Switcher allows you to find and switch to any tab immediately. It is very useful if you have multiple windows and/or lots of tabs opened. Just press Ctrl+Space!
626 users
pagenote
make the web page as a notebook. mark and note something on you visiting page.
506 users
Read The Web Out Loud - RAO Text To Speech
Read any web page out loud with this intelligent, fully customizable, responsive, html5 text to speech addon. Supports over 500+ natural, human-like voices on multiple browsers and operating systems.
242 users
Privacy Focused Site Blocker (by Avrodh.com)
Site blocker with a focus on privacy. Block unlimited websites with schedules, password protection, and custom blocked pages
241 users
Alt or not
Easily see alt text on Twitter. Get tips on accessible text. Get warned or prevented from posting inaccessible tweets.
121 users