Security

Compute the CRC32 checksum of text (hex and decimal) right in your browser — for data integrity checks.

Generate strong and secure passwords

Test your password strength and estimate crack time

Generate UUID v1, v4, v7 and ULID (bulk generation)

Generate test data: name, email, phone, Turkish ID, IBAN

Compare two hash values and verify if they match

Generate one-time password codes

Generate secure API keys

Calculate password strength and crack time

Generate CORS headers (nginx, express)

Generate Content Security Policy

Encode text for XSS prevention

Hash passwords with SHA-256/512

Create JWT tokens with HMAC SHA-256

Encode and decode Base32

Validate cards with the Luhn algorithm

Word-based secure passphrases

Random secure PIN codes

Customizable random strings

URL-friendly unique IDs

Apache basic auth password line

IBAN format and MOD-97 validation

Generate valid (MOD-97) random IBANs for testing — pick a country, bulk-generate, copy.

Generate and validate Luhn (mod-10) check digits