Security
MD5 vs SHA-1 vs SHA-256: Which Hash Should You Use?
Not sure which hash algorithm to pick? This breaks down MD5, SHA-1, and SHA-256 — what they're for and when to use each.
Blog
Tips, guides, and tutorials for our free online tools.
Text
camelCase vs snake_case vs kebab-case: When to Use Each
Naming conventions keep tripping you up? Here's a practical breakdown of each case style and a free tool to convert between them.
Developer
How to Format JSON: Fix Messy JSON in Seconds
Got a wall of unindented JSON and can't read it? Here's how to clean it up fast — no install, no signup, just paste and format.
Security
How to Generate Passwords That Are Actually Strong
Most password advice is vague. This covers what makes a password crackable, what doesn't, and how to generate ones that hold up.
Everyday
QR Codes: How They Work and How to Make Your Own
QR codes are everywhere but how do they actually work? Here's a plain-English breakdown plus a free tool to generate them.