Can I use?

Browser support tables for modern web technologies

Dirty markup

Beautifier for HTML, CSS, and Javascript

Escape/unescape

Escape/unescape HTML, XML, Javascript and more

SVGOMG

Optimize SVG vector graphics files

CSS clip-path maker

Make complex shapes in CSS with clip-path property

Gradient generator

A powerful Photoshop-like CSS gradient editor

CSS inliner tool

Get a more email-friendly HTML that's ready to send

UnCSS

Tool that removes unused CSS from your stylesheets

Inline CSS remover

Remove inline CSS styles and get a clean HTML

Email test

Send your HTML to any email address for design testing

Image to data-URI

Convert images into base64 data-URIs for embedding

IcoMoon

Pixel perfect iconfont builder

PageSpeed insights

Make your web pages fast on all devices

Website speed test

Test the page load time, analyze it, and find bottlenecks

Structured data test

Standardize information about a page and classify content

Sharing debugger

Check Open Graph info used for sharing

Card validator

Check Twitter card meta tags for sharing