Dev Tools

JSON, YAML, regex, and developer utilities

JSON Formatter

Format and validate JSON data

Convert between JSON and YAML formats

Encode and decode Base64 strings

Encode and decode URL strings

Decode and inspect JWT tokens

Test and debug regular expressions

Generate random UUIDs

Generate MD5, SHA-1, SHA-256 hashes

Format and beautify SQL queries

Generate and sign JSON Web Tokens

Format and colorize server logs

Parse and explain stacktraces

Write and preview Markdown in real-time

Generate customization QR codes

Convert between px, em, rem, and %

Convert Hex, RGB, HSL and generate palettes

Case formatting, slugify, and text metrics

Generate Latin or Dev-themed placeholder text

Calculate standard octal and symbolic file permissions

Visualize and explain cron schedule expressions

Compare text to find differences