Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
2,127 users
IBM Equal Access Accessibility Checker
A web developer tool that checks web applications for accessibility issues.
2,124 users
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
2,122 users
ReCaptcha Solver
Verify Google ReCaptcha V2 automatically with :2Captcha, DeathByCaptcha, ImageTyperz, RuCaptcha, Anti-Captcha, BestCaptchaSolver and EndCaptcha Without API or TOKEN key it won't work!!
2,093 users
Chat GPT for Google
See the ChatGPT responses right next to your search engine results. https://extensionchatgpt.com/ See our youtube guide: https://www.youtube.com/watch?v=p9it2NCB3_c
2,088 users
LightSession Pro for ChatGPT
Fix slow, laggy ChatGPT tabs in Firefox. Local-only extension that speeds up long conversations by trimming old messages from the page (no data leaves your browser).
2,070 users
Basic JSON Formatter
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
2,026 users
ClaudeCodeBrowser
ClaudeCodeBrowser enables AI-powered browser automation through the Claude Code CLI. It allows Claude to interact with web pages by taking screenshots, clicking elements, typing text, scrolling, and navigating - all controlled via a local MCP server.
2,008 users
View Page Source (Mobile)
Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).
1,963 users
RemoveYouTubePause
Remove the 'Video paused. Continue watching?' message on YouTube, allowing for a seamless video and audio experience without interruptions, on Firefox for both desktop and mobile.
1,952 users
FB unseen
Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.
1,944 users
Fake Data - A form filler you won't hate
Fill form fields on the fly with fake random data. No configuration needed, just double click on each input you want to fill. Has an autolearn feature for unrecognised fields.
1,937 users
Copy Selected Tabs to Clipboard
Provides ability to copy title and URL of selected tabs to the clipboard.
1,925 users
Yandex Wordstat Assistant
Расширение, позволяющее значительно ускорить сбор фраз с помощью сервиса подбора слов Яндекс (wordstat)
1,905 users
Resource Override
An extension to help you gain full control of any website by redirecting traffic, replacing, editing, or inserting new content.
1,885 users
Pesticide
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.
1,875 users
FullPage Capture
Full-page screenshot to clipboard. No tracking, no servers a fully oss solution
1,804 users
