Developer Tools

General

DevDocs.io

Google APIs Dashboard

Web Accessibility Tutorials

Code Utilities

Base64 Encode | Base64 Decode

CSS Minifier

JavaScript Minifier

JSONLint

PHP Code Checker

WordPress

Gutenberg Handbook

WooCommerce Code Reference

WordPress Code Reference

DevOps

CIDR/IPv4 Converter

httpstat.us (HTTP Status Codes)

ImprovMX (free domain-based email forwarding)

Mail Tester

MX Toolbox

Password Pusher

Adobe

Compress PDF

Image Resize

Color

ColorHexa

Color Inverter

CSS Color Names Chart

Happy Hues

hex-to-rgb.com

Pantone Color Finder

rgb.to

Design

Feather Icons

Google Webfonts Helper (for self-hosting Google fonts)

QR Code Generator

Photopea

Responsive Logos

Unsplash

Variable Fonts

Mac

Homebrew Formulae