IP Whois
View info about IP, DNS records, SSL, country flag, domain whois, location, stats and more of any website.
632 users
Seerobots
Seerobots let's you easily see the websites Meta-Robots (index/noindex and follow/nofollow) and X-Robots configuration...
630 users
Page Performance Test
Get accurate performance timing for any page with this WebExtension
630 users
Serpstat Website SEO Checker
Instantly check your website's SEO, analyze competitors and get advantage of powerful search analytics in one place.
629 users
Quick Locale Switcher
An Extension for Firefox to easily change the language and locale.
628 users
windmill
Windmill - A simple website accelerating tool
622 users
Preact Developer Tools
Only works with Preact 10.1.0 upwards Debugging tools for Preact. This extension allows you to inspect the component hierarchy and change properties on the fly.
620 users
Font Inspector (WebExtension)
Click on any element to get the font info in a page popup
619 users
Scraper.AI - An AI powered web scraper
Scraper.AI is an automated scraping SaaS that makes extracting or mining data from any webpage as simple as clicking and selecting. Changes to the selections are monitored and updates are pushed to a consumable API for you to build on top of it
614 users
Tampermonkey Editors
Online editor support for Tampermonkey's userscripts
612 users
Hoverify: All-in-one extension for web developers
Master web development with an all-in-one browser extension that helps you inspect, edit, test, debug, and optimize websites faster.
607 users
OurStickys - Sticky Notes on every page
Add Persistent Sticky Notes anywhere on any web page, they will reappear when you re-open the page
605 users
FlareGet Integration
FlareGet Browser Integration extension
598 users
YouLoop - Repeat video/audio endless on YouTube
Repeat video/audio endless on YouTube. Furthermore a partition loop function is enable.(for HTML5) -- Wiederholt Video/Audio endlos auf YouTube. Des Weiteren gibt es die Möglichkeit, nur einen bestimmten Ausschnitt endlos zu wiederholen.(für HTML5)
596 users
Le Git Graph - GitHub Git Graph
A browser extension that displays the git graph for any GitHub repository.
595 users
JavaScript QR Code
Make QR Codes in pure JavaScript
594 users
ARC Toolkit
Accessibility testing tool from TPGi
592 users
GIF Maker
Create animated GIFs from existing video file(s) or images!
591 users
superSearchPlus
superSearchPlus高效收集信息 by 不懂安全的开发
582 users
Enable Right Click for Web Developer
Re-enable Right Click for Web Developer™
578 users
Word Count Tool
A word counter that counts the number of words, characters without any extra clicks. Just select the text and right click to select the context menu to invoke the report. It gives detail report about the numbers words, characters, sentences...
571 users
SiteAnalyzer SEO Tools
SiteAnalyzer SEO Tools is a browser extension providing a set of tools for analyzing SEO indicators of web site, technical audit (links, images, meta tags, content, indexing, etc.), URL analysis and correction of SEO optimization errors.
563 users
Environment Marker
Provides a way to add a color indicator or marker (ribbon) on a web page depending on the URL.
562 users
JSON Beautify It
Tool for beautifying JSON data, AJAX or API responses in browser
562 users
ScrapeMate Beta
Scraping assistant tool. Editing and maintaining lists of CSS/XPath selectors across webpages. Element picker (from SelectorGadget). Presets manager. Active preset JSON view/edit. JavaScript toggling per tab.
562 users