Blog
Developer tutorials, guides, and tips.
The Complete JSON Formatter Guide
Learn JSON formatting from scratch. Master validation, debugging API responses, and handling large files.
Base64 Encoding Explained
Why email attachments use Base64, how it works, and when to use it.
Regex Cheat Sheet 2026
Every developer's essential regex reference with practical examples.
JWT Decoding and Security Validation Guide
Understand JWT structure, decode tokens, and avoid common security mistakes.
Hash Generator Guide: MD5, SHA-256, and Beyond
Understand cryptographic hashes, when to use each algorithm, and how to generate them.
How to Generate Secure Passwords Online
Best practices for password generation, entropy, and NIST guidelines.
UUID Generator: What Are UUIDs and When to Use Them
UUID versions explained (v1-v7), when to use each, and collision probability.
Cron Expression Explained: Schedule Tasks Like a Pro
Master cron syntax with examples, special characters, and common patterns.
AES Encryption Online: Protect Your Data
How AES-GCM works in the browser, key derivation, and encryption best practices.
HTML Formatter: Clean Up Your Code Automatically
Why HTML formatting matters, indentation styles, and how formatters work.
SQL Formatter: Make Your Queries Readable
Format SQL queries with proper indentation, keyword capitalization, and best practices.
Image Compressor: Reduce File Size Without Losing Quality
Understand lossy vs lossless compression, format comparison, and browser-based optimization.