ส่วนขยาย
Picture in Play
Indicates whether the `picture` element is in use on a page.
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Помощник диагностики
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!
Disable Cookies
Disable cookies for current domain.
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Web Edit
แก้ไขเว็บไซต์ชั่วคราวได้อย่างง่ายดายเพียงคลิกปุ่ม
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.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Favicon Stealer
Very simple thing for their job
SeoQuake extension
SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Network Information
Useful information about your system's connection including, type, speed, and rtt.
CSSViewer
CSSViewer
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)
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
Nextsense XML Signing Component
Signing XML document.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
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, ...
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
View Page Source
Get access to the page source with the click of a button.
RestMan
RESTMan is a browser extension to work on http requests.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers