Dark Reader
すべてのウェブサイトにダークテーマを適用します。夜間や毎日のブラウジングにDark Readerを使用し、あなたの目を気遣います。
1,151,583 人のユーザー
Simple Translate
Webページ上で選択・入力したテキストを瞬時に翻訳します。Google翻訳とDeepL APIに対応しています。
309,307 人のユーザー
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
144,036 人のユーザー
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.
38,595 人のユーザー
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.
18,028 人のユーザー
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
28,870 人のユーザー
Random User-Agent (Switcher)
指定した時間経過後に自動的にユーザーエージェントをランダムに変更し、実際のユーザーエージェントを隠します。
3,962 人のユーザー
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.
3,478 人のユーザー
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.
2,239 人のユーザー
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.
2,044 人のユーザー
Tab Mover
Move tabs between windows via the context menu.
1,389 人のユーザー
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.
1,316 人のユーザー
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.
982 人のユーザー
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.
941 人のユーザー
SuperStop
SuperStop adds a Shift+Esc shortcut and toolbar button that stops background requests and animations even when the Firefox Stop button is disabled.
898 人のユーザー
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.
799 人のユーザー
Scroll Zoom
Zoom web pages with the left or right mouse button and the scroll wheel.
666 人のユーザー
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!
608 人のユーザー
pagenote
make the web page as a notebook. mark and note something on you visiting page.
433 人のユーザー
Convert File
Add Convert File & Custom Web Search extension then click the icon on your toolbar Convert Your Files plus Yahoo Web Search.
373 人のユーザー
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.
241 人のユーザー
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
227 人のユーザー
YouTube Ad Accelerator & EasySpeed
Speed up YouTube Ads by 16x. Plus, change the speed of YouTube videos by clicking and dragging left or right anywhere on the video.
79 人のユーザー
A Youtube Downloader
A simple extension for superfast and easy YouTube downloads in MP3 and MP4 formats.
62 人のユーザー