Format, validate, generate, and compare

Developer Toolkit

Browser-side helpers for common development chores: JSON formatting, UUIDs, timestamps, regex testing, URL encoding, SQL formatting, and diffs.

Prettify and validate your JSON data for better readability.

Generate secure and random passwords for your accounts.

Generate secure, random UUID v4 strings for your applications and databases.

Convert between Unix timestamps and human-readable dates in various formats.

Validate and test your regular expressions with live highlighting and match results.

Encode or decode URLs to ensure safe transmission of data.

Format your SQL queries for better structure and clarity.

Compare two pieces of text and find the differences.