Test Credit Card Number Generator
Luhn-valid test numbers for Visa, Mastercard, Amex, Discover, JCB and Diners.
Developer & Security generators
Test cards, IBANs, passwords, tokens, UUIDs, ULIDs, hashes, JSON, IPs, user agents, VINs, ISBNs and other test data for developers.
Random Password Generator
Cryptographically secure passwords generated locally, with strength meter.
UUID Generator
Bulk RFC 4122 v4 UUIDs/GUIDs with case, hyphen and brace options.
Random IP Address Generator
Random IPv4/IPv6 addresses in public or private ranges.
Random MAC Address Generator
Locally administered MAC addresses in any separator format.
Random IMEI Generator
Valid-format 15-digit IMEIs with TAC prefix and Luhn check digit.
Random Token & API Key Generator
Secure random tokens and API keys in hex, Base64, alphanumeric or your own character set.
Random PIN Generator
Random 4, 5, 6 or 8-digit PINs that avoid weak, easy-to-guess patterns.
Passphrase Generator
Memorable multi-word passphrases with separators, capitals, numbers and an entropy estimate.
Random Port Number Generator
Random TCP/UDP port numbers from the dynamic, registered or well-known ranges.
Random User Agent Generator
Realistic desktop and mobile user agent strings, labeled by browser and operating system.
Random Domain Name Generator
Brandable two-word domain name ideas with .com, .io, .ai, .dev and more extensions.
Random URL Generator
Realistic random URLs with paths and optional query strings for testing and mock data.
Random File Name Generator
Random file names with real extensions in snake_case, kebab-case, camelCase or dated styles.
Random JSON Data Generator
Mock JSON records for users, customers, products and orders — localized by country.
Random Version Number Generator
Random semantic version numbers (MAJOR.MINOR.PATCH) with optional pre-release tags.
Random Commit Message Generator
Random Conventional Commits messages like feat(cli): add search filters — with optional scopes.
Random Hash Generator
Random hex strings in MD5, SHA-1, SHA-256, SHA-512 or short Git hash lengths.
Nano ID Generator
Compact, URL-safe random IDs with adjustable length — up to 200 at a time.
ULID Generator
Time-sortable 26-character ULIDs with a millisecond timestamp and 80 random bits.
MongoDB ObjectId Generator
Valid 24-character MongoDB ObjectIds with timestamp, random value and counter.
Random Ethereum Address Generator
Random 0x-prefixed, 40-hex Ethereum-format addresses for testing dApps and forms.
Random IPv6 Address Generator
Random public or private IPv6 addresses for testing networks, logs and forms.
Random IBAN Generator
Checksum-valid test IBANs for Germany, the UK, France and five more European countries.
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