Extensies
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Picture in Play
Indicates whether the `picture` element is in use on a page.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
MultiPass
Log automatisch in via Basic Authenticatie doormiddel van een URL reguliere expressie.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
Web Widgetizer
Web Widgetizer is a extension offering a range of features to enhance browsing. It allows users to create separate Opera windows for specific websites, manage favorite links, customize window dimensions, toggle auto-start, and open links in popup tabs via button click or shortcut (Ctrl + Shift + A). This versatile tool optimizes browsing convenience and efficiency.
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
OctoLinker
OctoLinker – Links together, what belongs together.
NsLookup - Find DNS Records
A simple and powerful tool for querying DNS records
sha1 hash generator
SHA1 hash generator (offline modus)
HTTP Headers
Quickly view the HTTP headers of the current tab.
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
Design Mode
Bewerk de inhoud van elke pagina door over te schakelen naar de ontwerpmodus, waar u de inhoud kunt wijzigen en afbeeldingen kunt verslepen zoals in een Word-editor
Rabbit URL Opener
Rabbit URL Opener (Rahul Digital) - Bulk URL's Opener Extension just lets you open multiple URLs at once. More about Rabbit URL Opener http://rahuldigital.org/url-opener/ http://rahuldigital.com/url-opener/
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Image Resizer
Rescale multiple images into different sizes in a single step
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Extensions for Mermaid
A browser extension for Chrome, Opera & Firefox that adds Mermaid language support to GitHub. A fork from the not updated GitHub + Mermaid extension.
(X)HTML5 Checker
A small extension to validate the markup of current tab
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
PixelGrid
The tool to overlap your website layout with a grid.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
Piral Inspector
The official Piral developer tools browser extension.
Sitecore Extensions
Small improvements which will make your work with Sitecore much easier.
GitHub Extension
The GitHub Browser Extension allows GitHub users to quickly find and open all of their assigned issues and pull requests from a single location. It can be handy for developers and project managers to view their tasks.