Extensions
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
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!
Контур.Расширение
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.
Involta Short links
Short link service
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
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/
Picture in Play
Indicates whether the `picture` element is in use on a page.
ModHeader
Modify HTTP request and response headers
sha1 hash generator
SHA1 hash generator (offline mode)
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
Disable Cookies
Disable cookies for current domain.
md5 hash generator
MD5 hash generator (offline mode)
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
TwicPics Companion
Using TwicPics has never been so easy!
MultiPass
Connexion automatique à une authentification HTTP basique en utilisant des données basées sur une expression régulière pour l'URL.
Stethoscope
Check the health of a github repo with one easy step.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
PX to REM and REM to PX
PX / REM bidirectional converter
stylish-hub
A browser extension that brings a new GitHub experience