Tools
Free, private security tools.
A small collection of tools we built for ourselves and opened up. Every one runs entirely in your browser — nothing you type or generate is ever sent to a server, logged, or stored.
Password Generator
Create strong random passwords and memorable passphrases with the Web Crypto CSPRNG.
OpenPassword Strength Checker
Measure how strong a password is — entropy in bits, weaknesses, and estimated crack time.
OpenPassword Crack-Time Calculator
See how long a password would survive brute-force, from a throttled login to a GPU cluster.
OpenPassword Entropy Calculator
Break a password’s entropy down into bits, with the character-pool math shown step by step.
OpenPassphrase Generator
Generate memorable Diceware-style passphrases from the EFF short wordlist.
OpenSSH Key Generator
Generate an Ed25519 SSH key pair in your browser, in standard OpenSSH format.
OpenReady for the full vault?
One app for every secret.
Apex Password stores every credential end-to-end encrypted, on your device. The relay never sees plaintext.