Free online security and developer tools
Generate secure random passwords
Check if your password has been exposed in data breaches
Query domain registration information
Inspect HTTP response headers
Check if your email has been exposed in data breaches
Check email format and MX records
Generate UUID v1/v4 identifiers
Encode or decode URL components
Compare two texts and highlight differences
Generate random fictional identity data for testing
Encode or decode Base64 strings
Format, validate and minify JSON
Generate MD5, SHA-1, SHA-256 hashes
Convert Unix timestamps to dates and back
Create QR codes from text or URLs