Blog

Tool guides, tips, and developer references.

• Regex Cheat Sheet with Live Tester

  A practical regex reference covering character classes, quantifiers, anchors, groups, and lookaheads — with examples and a free online regex tester.

  April 3, 2026

• Base64 Encoding Explained: What It Is and How to Use It

  Understand what Base64 encoding is, why it exists, how to encode and decode in JavaScript, Python, and the command line — plus a free online Base64 tool.

  April 2, 2026

• JSON Formatter Online: The Complete Guide

  Learn how to format, validate, and debug JSON instantly. Covers syntax rules, common errors, and best practices — plus a free online JSON formatter tool.

  April 1, 2026