Blog
Guides and tutorials on JSON, data formats, and the tools developers use every day.
JSON vs YAML vs XML: Which Format Should You Use, and When
The trade-offs between the three data formats, and how to pick the right one for your project.
What Is a JWT and How Does It Actually Work
The structure of a JSON Web Token, its role in authentication, and how to safely decode one.
What Is JSON Schema and Why It Matters
The standard way to validate the structure of APIs and config files — a beginner-friendly guide.
A Regex Cheat Sheet for Developers
The most commonly used regex patterns — email, URL, and phone number validation, and more.
What Is Base64 Encoding and When Should You Use It
Base64 is not encryption — here's what it actually does, and the real use cases for it.
What Is a Unix Timestamp and How to Convert One
The concept of epoch time, why timezones cause confusion, and how to turn a timestamp into a readable date.
Converting CSV to JSON: When and Why You Need It
How to turn data exported from a spreadsheet into something usable in APIs and code.
What Is a UUID and When Should You Use One
What Universally Unique Identifiers mean, how the versions differ, and best practices for database IDs.
How to Read and Write Cron Expressions
Understanding cron syntax for scheduled jobs — a confusing but essential skill for every backend developer.
Hex, RGB, and HSL: The Difference Between Color Formats
How color values are represented in web development, and why you sometimes need to convert between them.