📚 Developer Tutorials
In-depth technical tutorials to help you master the core concepts behind everyday development tools — encoding, formatting, security and more.
Complete Guide to JSON Formatting
Master JSON syntax, formatting rules, common error troubleshooting and validation techniques to boost your data handling efficiency.
Base64 Encoding & Decoding Explained
Understand the Base64 algorithm, its use cases (inline images, JWT, email attachments) and practical coding examples.
Regular Expressions Tutorial
From metacharacters and quantifiers to groups and real-world patterns (email, URL, IP), master regex systematically.
Cryptographic Hash Functions Explained
Deep dive into MD5, SHA-256 and other hash algorithms — how they work, security comparisons and password storage best practices.
JWT Complete Guide
Detailed explanation of JSON Web Token's three-part structure, signing algorithms, common claims and security best practices.
Unix Timestamp Conversion Guide
Understand the origins of Unix timestamps, conversion formulas, timezone handling and the Y2038 problem.
URL Encoding & Decoding Guide
Master percent-encoding rules, reserved character handling, and the differences between JavaScript encoding functions.
YAML vs JSON Comparison
Compare YAML and JSON syntax, their respective strengths, and master anchors, multi-line strings and conversion tips.