Tools for coding, formatting, and testing
Minify and beautify CSS to improve performance
Convert CSV files to JSON format with customizable options
Beautify and indent HTML code for readability
Preview HTML & SVG live in your browser - works unblocked on Chromebooks, iPads, and locked-down devices
Minify and beautify JavaScript code
Format, validate, and convert JSON - generate TypeScript, Go, Python, Pydantic, Rust types; tree view; auto-unstringify Redis-style JSON
Decode, verify, and build JWT tokens online - HS256/384/512 sign & verify, pretty timestamps, token history
Test and validate regular expressions with real-time highlighting
Format YAML, validate it, and convert YAML ↔ JSON with 25 Kubernetes, Docker Compose, GitHub Actions, and Ansible templates
