Category
Formatters & validators
Pretty-print, validate, and lint structured data and code.
5 live
Guides
Longer reads that link back to the tools.
Resources
Concept explainers that link back to the tools.
Live tools
JSON Formatter and Validator
Validate, pretty-print, and minify JSON with clear parse error messages.
SQL Formatter
Pretty-print and minify SQL queries for readability and review.
CSS Formatter
Format and minify CSS stylesheets for readability or production.
JSON Validator
Validate JSON syntax and catch parse errors instantly.
Regex Tester
Test regular expressions with live match highlighting and capture groups.