Extensions
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
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, ...
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
RestMan
RESTMan is a browser extension to work on http requests.
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Font Inspector
Click on any HTML element to get the font info in a popup!
sha1 hash generator
SHA1 hash generator (offline mode)
HexDump - Hex Viewer
Display file contents in hexadecimal, and ascii
Rainbow States
Color AWS Step Functions states
(X)HTML5 Checker
A small extension to validate the markup of current tab
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
Random password generator
A simple random password generator for Opera browser
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Ninja Van Tracking
Track your Ninja Van Tracking Onilne
Network Information
Useful information about your system's connection including, type, speed, and rtt.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
JavaScript QR Code
Make QR Codes in JavaScript
PIX Studio Plugin
PIX RPA Studio Plugin
Nextsense PDF Signing Component
Signing PDF document.
W3DNA
Type '*' plus press "space" and a search term into the Omnibox to open search in new tab.
Stethoscope
Check the health of a github repo with one easy step.
Gridify - Keyboard Link Selector
Select any link, image, input box, or a selectable region on the current page without using the mouse just by a few keyboard hits
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Service Worker Detector
This extension detects if a website registers a Service Worker.
Nextsense XML Signing Component
Signing XML document.