Extensiones
Get Thumbnails or Image to video YouTube
Hacer miniaturas o imágenes de vídeos de YouTube
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
PixelGrid
The tool to overlap your website layout with a grid.
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.
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
(X)HTML5 Checker
A small extension to validate the markup of current tab
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
JavaScript QR Code
Make QR Codes in JavaScript
Piral Inspector
The official Piral developer tools browser extension.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
SelectorsHub
xPath plugin to auto generate, write and verify xpath & cssSelector.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Nextsense XML Signing Component
Signing XML document.
AMP Validator
Automatically checks each page for AMP validation.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
sha1 hash generator
SHA1 hash generator (offline mode)
Webfonting it!
The simplest extension for working with web fonts
PIX Studio Plugin
PIX Studio Plugin
View Page Source
Get access to the page source with the click of a button
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
Sitemap Explorer: Check and View XML Sitemaps
Esta extensión le ayuda a encontrar, inspeccionar, exportar y ver archivos de mapa de sitio XML para cualquier sitio que navegue en un navegador.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.