Regular expression visualizer using railroad diagrams

Generate everything from random numbers and names to documents and credit cards.

Generate Windows icon (.ico) and other favicons for your website online for free. Super fast, privacy-friendly In-Browser conversion.

A stash of things for creative people

The practical page speed and SEO tool. Check your page for javascript errors and warnings, image errors, responsive images, lazy-loaded images, and more.

Utility for converting cURL commands to code

The Markdown Service Tools are a collection of OS X Services designed to make writing Markdown text that much easier Services also known as Quick Actions work in any Cocoabased application

Python Tutorials for Beginners and Experienced Programmers

Every programmer should know the standard Unix tools but there are plenty of tools that go beyond them

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httpsregexpdevgettingstartedsetup