Format, validate, and generate data for modern development workflows.
Format and beautify JSON with proper indentation.
Validate JSON syntax and find structural errors.
Encode and decode Base64 strings and files.
Generate UUID v4 identifiers for apps and databases.
Beautify and format HTML markup cleanly.
Format CSS rules with consistent spacing.
Beautify JavaScript code with proper indentation.
Decode JWT header and payload locally in your browser.
Convert colors between HEX, RGB, and HSL formats.
Convert Unix time to ISO dates and back.
Test regular expressions with live match highlighting.
Beautify and validate XML markup online.
Format YAML and convert between YAML and JSON.
Translate cron expressions into plain English.
Convert numbers between binary, octal, decimal, and hex.
Beautify SQL queries for readability.