CryptoPro Extension for CAdES Browser Plug-in
Расширение позволяет использовать КриптоПро ЭЦП Browser plug-in в браузере. Для работы требует установленного ЭЦП Browser plug-in.
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
Cleaner Pro - Clear Cache & History
Best way to clear cache and Opera browsing data!
Download all Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
Color Picker - Native Eyedropper
Determine the pixel's color on the screen with a magnifying glass eyedropper. It supports color selection history and clipboard copy
Fast JSON viewer - highlights, shows items count/size, handles large files
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
HTML5 Editor with CSS, JS, HTML validator and beautify code
Super Auto Refresh
Auto-refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
Allow Copy-Right Click
Allow Right click, Allow copy, Selection on web sites that prevent it
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
An easy-to-use font inspector to get CSS styles of the selected element
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
PerfectPixel by WellDoneCode
This extension helps develop your websites with pixel perfect accuracy!
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
Edit cookies related to the current page and all its sub-frames right from a popup
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.
Custom Style Script
Modify HTTP request and response headers
SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
The simplest extension for identifying and selecting fonts on a website.
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
SEO-tools - information about domains, site audit for SEO errors, as well as technical audit of any page. Over 100 online services
FullScreen for Opera
Fullscreen, #1 Zoom and Dark Mode more options will get in one
Random password generator
A simple random password generator for Opera browser
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.