Free web-based global latency testing tool.

Apex Latency

An interactive list of Bootstrap classes for version 4.

Bootstrap 4 Cheatsheet

Search against any element for standardized and default styles from all major rendering engines (WebKit, Blink, Gecko, Trident).

Browser Default Styles

Helps you find the performance impact of adding a npm package to your front-end bundle.

BundlePhobia

CSS Cheatsheet

As a free css gradient generator tool, this website lets you create a colorful gradient background for your website, blog, or social media profile.

CSS Gradient Generator

Transform between CSS, JS objects and JSX props.

CSS to JS converter

Provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

Can I Use?

An extensive CSS reference with all the important properties and info to learn CSS from the basics.

CoDrops - CSS Reference

A free collection of JavaScript cheatsheets.

CodeAcademy - JavaScript Cheatsheet

A constructive and inclusive social network for software developers. With you every step of your journey.

Dev.to

Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app.

DevDocs

Excalidraw

A web-based tool that let's you play around with the flexbox layout.

Flexbox playground

Helping designers discover the perfect font for their next design project.

FontSpark

One page cheatsheet for Google Chrome keyboard shortcuts.

Google Chrome

A chart containing all HTML character entities.

HTML Character Entity Reference Chart

A cheat sheet covering the basic HTML elements and their purpose.

HTML Semantics Cheatsheet

HailPixel

A web-based color palette inspiration site that acts as a real world example as to how the colors could be used in your design projects.

Happy Hues

Search and download vector icons or generate fonts (icon fonts).

IcoMoon

JSON Editor Online

One page cheatsheet for Lua: Syntax, code examples and more.

Markdown

Calculate, visualize, and learn about modular scales.

Modularscale

One page cheatsheet for Nano keyboard shortcuts.

Nano

Regex101

Efficiently analyze each hi-res image and find the best dimensions for embedding as responsive images in your site.

Responsive Image Breakpoints Generator

SVGOMG

One page cheatsheet for Sass: Syntax, code examples and more.

Sass

One page cheatsheet for Screen keyboard shortcuts.

Screen

A web-based image compressor for PNG, SVG, JPG and WEBP.

Shrinkme

Smooth Shadow Generator

Compress and compare images with different codecs, right in your browser.

Squoosh

A web-based editor that let's you try out tailwindcss.

Tailwind Playground

A free web-based tool to experiment with font sizes, scales and different webfonts.

Type-scale

A handpicked collection of beautiful color gradients for designers and developers.

UIGradients

One page cheatsheet for Visual Studio Code keyboard shortcuts.

VSCode

One page cheatsheet for Vim keyboard shortcuts.

Yarn

Completely free illustrations for any idea you can imagine and create.

Syntax Recall