Password Strength Checker
Estimates password entropy and crack time, and identifies the specific weaknesses in what you…
Generates an MD5 hash of any text or string, with optional HMAC and uppercase output.
The MD5 Hash Generator generates an MD5 hash of any text or string, with optional HMAC and uppercase output. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.
Estimates password entropy and crack time, and identifies the specific weaknesses in what you…
Generates MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text, all at once.
Generates SHA-256 hashes using the browser's Web Crypto API, with HMAC support.
Generates SHA-1 hashes, still required by some legacy systems and Git object addressing.
Generates SHA-512 hashes for checksums, signatures and archival fingerprints. Runs in your…
Encodes and decodes Base32, the alphabet used by TOTP secrets and some file systems.
Encodes and decodes Base58, the alphabet used by Bitcoin addresses and short identifiers.
Encrypts and decrypts text with AES-GCM 256-bit using a password, entirely in your browser.
Applies a repeating-key XOR to text or hex, the operation behind many simple obfuscation…
Generates time-based one-time passwords from a Base32 secret, the same codes an authenticator…