Extensions
stylish-hub
A browser extension that brings a new GitHub experience
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Extension source viewer
View source code of extensions in the Chrome Web Store, Firefox or Opera addon gallery. Has button to install from Chrome Web Store.
Squeezeimg - convert & compress images, WEBP, JP2
This extension will optimization image a page using Squeezeimg
Live editor for CSS and LESS - Magic CSS
Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, ...
Extensions for Mermaid
A browser extension for Chrome, Opera & Firefox that adds Mermaid language support to GitHub. A fork from the not updated GitHub + Mermaid extension.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
JavaScript QR Code
Make QR Codes in JavaScript
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
NsLookup - Find DNS Records
A simple and powerful tool for querying DNS records
Webfonting it!
The simplest extension for working with web fonts
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
(X)HTML5 Checker
A small extension to validate the markup of current tab
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
HTTP Headers
Quickly view the HTTP headers of the current tab.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Nextsense XML Signing Component
Signing XML document.
Get Thumbnails or Image to video YouTube
Make thumbnail previews or images from YouTube videos
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
SelectorsHub
xPath plugin to auto generate, write and verify xpath & cssSelector.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
OctoLinker
OctoLinker – Links together, what belongs together.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
Website scripting
Developers can add javascript codes in webpage. Like customizing other websites with our own codes.