Developer Guides
Short, practical articles about the tools developers use every day.
JSON Formatter & Validator: The Complete Guide
Learn how to format, validate, and debug JSON. Covers common errors, beautify vs minify, and how to use our free browser-based tool.
6 min readBase64 Encoding: What It Is and How to Decode It
A plain-English guide to Base64 encoding. Why it exists, how it works, when to use it, and how to encode/decode without installing anything.
5 min readJWT Decoder Online: Read Any JWT Token in Seconds
How to decode JWT tokens, understand the header/payload/signature, and debug common JWT issues. Free tool included.
5 min readRegex Tester Online: Test Regular Expressions Instantly
Regex syntax reference, 20 essential patterns, flags explained, and debugging tips. Plus a free live tester.
7 min readUUID Generator Online: Generate v4, v7, and Bulk UUIDs
UUID v4 vs v7 explained — when to use each, how to generate in any language, and bulk generation for testing.
5 min readUnix Timestamp Converter: Epoch to Human-Readable Date
Unix timestamps explained: seconds vs milliseconds, timezone handling, Y2K38, and code examples in JS/Python/SQL.
4 min read