Extensions
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
stylish-hub
A browser extension that brings a new GitHub experience
NsLookup - Find DNS Records
A simple and powerful tool for querying DNS records
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
View Page Source
Get access to the page source with the click of a button.
md5 hash generator
MD5 hash generator (offline mode)
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
KML/KMZ Viewer
Can be used to view KML/KMZ Files in the browser.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
HTTP Headers
Quickly view the HTTP headers of the current tab.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Gridify - Keyboard Link Selector
Select any link, image, input box, or a selectable region on the current page without using the mouse just by a few keyboard hits
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
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
TeamCity Notifier
Shows notifications about various events in TeamCity
(X)HTML5 Checker
A small extension to validate the markup of current tab
sha1 hash generator
SHA1 hash generator (offline mode)
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
W3DNA
Type '*' plus press "space" and a search term into the Omnibox to open search in new tab.
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
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.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language