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HTTP Headers
Quickly view the HTTP headers of the current tab.
JavaScript QR Code
Make QR Codes in JavaScript
SelectorsHub
SelectorsHub helps to generate, write and verify the XPath & cssSelector.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Webfonting it!
The simplest extension for working with web fonts
DNS Checker - SEO and Domain Analysis
SEO and Domain Analysis Tool by DNS Checker. Provides SEO Report, Meta Redirects and 404s, Client IP, Domain IP & Geo Location, etc
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Lorem Fill
A webpage form filler that populates context specific random test data into forms elements.
Nextsense XML Signing Component
Signing XML document.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
NFT Scanner
Scan your NFT assets.
PixelGrid
The tool to overlap your website layout with a grid.
Rabbit URL Opener
Rabbit URL Opener - Bulk URL's Opener Extension just lets you open multiple URLs at once
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Sitemap Explorer: Check and View XML Sitemaps
This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.
MenuButton
Custom menu allows the user to create a menu to access various network resources.
OctoLinker
OctoLinker – Links together, what belongs together.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
DomainUserAgent
This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
CSS Shapes Editor
Interactive editor for CSS Shapes.
Nextsense PDF Signing Component
Signing PDF document.
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
KML/KMZ Viewer
Can be used to view KML/KMZ Files in the browser.
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
GitHub Gloc
统计 GitHub 仓库的代码总行数
Hajj Mission
This extension is only made for Pakistan Hajj Mission - Medina. It works on Data Entry website and this is Developed by Hamza Mughal
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
sha1 hash generator
SHA1 hash generator (offline mode)