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Network Information
Useful information about your system's connection including, type, speed, and rtt.

Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor

Ninja Van Tracking
Track your Ninja Van Tracking Onilne

(X)HTML5 Checker
A small extension to validate the markup of current tab

BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.

Rabbit URL Opener
Rabbit URL Opener (Rahul Digital) - Bulk URL's Opener Extension just lets you open multiple URLs at once. More about Rabbit URL Opener http://rahuldigital.org/url-opener/ http://rahuldigital.com/url-opener/

NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles

HexDump - Hex Viewer
Display file contents in hexadecimal, and ascii

Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.

Service Worker Detector
This extension detects if a website registers a Service Worker.

Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.

Design Mode
Edit any page's content by switching to design mode, where you can modify the content and drag images around like a Word Editor

Nextsense PDF Signing Component
Signing PDF document.

GitHub Extension
The GitHub Browser Extension allows GitHub users to quickly find and open all of their assigned issues and pull requests from a single location. It can be handy for developers and project managers to view their tasks.

Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.

NPM Version Stats
Show npm package version usage statistics inline on the npmjs.com package page in the versions tab

HypeStat Analyzer
Check any website's traffic

Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.

showHTML
This extension shows information about HTML elements on a web page when you hover over them.

SelectorsHub
Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.

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.

Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.

sha1 hash generator
Оффлайн SHA1 хеш генератор

Rainbow States
Color AWS Step Functions states

CSSViewer
CSSViewer

md5 hash generator
Оффлайн MD5 хеш генератор

Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor

Nextsense XML Signing Component
Signing XML document.

PX to REM and REM to PX
PX / REM bidirectional converter

Website Links Checker
This tool helps you check all links from a page you are currently viewing.

JavaScript QR Code
Make QR Codes in JavaScript

Octobox
Integrate Octobox directly into your GitHub workflow