Пашырэньні
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
PIX Studio Plugin
PIX RPA Studio Plugin
Font Inspector
Click on any HTML element to get the font info in a popup!
Random password generator
A simple random password generator for Opera browser
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
Octotree
GitHub on steroids
Web Edit
Easily edit websites temporarily with a click of a button.
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!
Picture in Play
Indicates whether the `picture` element is in use on a page.
CSSViewer
CSSViewer
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
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, ...
Squeezeimg - convert & compress images, WEBP, JP2
This extension will optimization image a page using Squeezeimg
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Modify Header Value
Add, modify or remove a header for any request on desired domains.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Image Resizer
Rescale multiple images into different sizes in a single step
(X)HTML5 Checker
A small extension to validate the markup of current tab
CSS & JS Injector
Easily customize your browsing experience CSS & JS Injector is a tool for developers, designers, and power users. Apply custom CSS styles and JavaScript to specific websites effortlessly. Boost productivity and customize the look, feel, and functionality of websites without altering its source code.
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
RestMan
RESTMan is a browser extension to work on http requests.
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
HexDump - Hex Viewer
Display file contents in hexadecimal, and ascii
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.