webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
2.612 gebruikers
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.
2.606 gebruikers
IBM Equal Access Accessibility Checker
A web developer tool that checks web applications for accessibility issues.
2.423 gebruikers
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!!
2.410 gebruikers
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
2.339 gebruikers
Try XPath
This add-on displays the result of evaluating XPath expression or CSS selector.
2.337 gebruikers
Resource Override
An extension to help you gain full control of any website by redirecting traffic, replacing, editing, or inserting new content.
2.329 gebruikers
Pesticide
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.
2.329 gebruikers
Yandex Wordstat Assistant
Расширение, позволяющее значительно ускорить сбор фраз с помощью сервиса подбора слов Яндекс (wordstat)
2.301 gebruikers
dataslayer
Debug and test tag management (Google Tag Manager, Adobe Launch / DTM, Tealium) and analytics (Google Analytics, Adobe Analytics) implementations from within Developer Tools.
2.297 gebruikers
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2.292 gebruikers
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.
2.275 gebruikers
SEO Analyse & Website Review door WooRank
SEO-analyse en websitebeoordelingen voor SEO, mobiel, gebruiksvriendelijkheid en sociale media. De meest recente gegevens waar en wanneer u ze wilt.
2.239 gebruikers
LiveReload - Web extension
Web extension based version of LiveReload. Supports Firefox 57 (Firefox Quantum)
2.237 gebruikers
Mobile DevTools
an extension that adds Eruda developer tools to Firefox Android. Lets you use the console, inspect elements, and network monitor on your phone
2.218 gebruikers
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.
2.205 gebruikers
