הרחבות
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Random password generator
A simple random password generator for Opera browser
Network Information
Useful information about your system's connection including, type, speed, and rtt.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
retire.js
Scanning website for vulnerable js libraries
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
TwicPics Companion
Using TwicPics has never been so easy!
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
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Stethoscope
Check the health of a github repo with one easy step.
Income monitor
Fast balance viewer for your affiliate networks and partner programs
KML/KMZ Viewer
Can be used to view KML/KMZ Files in the browser.
md5 hash generator
MD5 hash generator (offline mode)
PX to REM and REM to PX
PX / REM bidirectional converter
Rainbow States
Color AWS Step Functions states
TeamCity Notifier
Shows notifications about various events in TeamCity
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
Font Inspector
Click on any HTML element to get the font info in a popup!
Octotree
GitHub on steroids
RestMan
RESTMan is a browser extension to work on http requests.
stylish-hub
A browser extension that brings a new GitHub experience
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Clone in VS Code
Clone any GitHub, GitLab or Bitbucket repository in Visual Studio Code
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, ...
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
FullScreen for Opera
Fullscreen, #1 Zoom and Dark Mode more options will get in one
Disable Cookies
Disable cookies for current domain.
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
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!