Security Tools
Password generator, passphrase, encryption, PIN generator, file checksum and secure notes.
Password Generator
Strong random passwords generated locally with crypto.getRandomValues.
Passphrase Generator
Memorable multi-word passphrases — easier to type, harder to crack.
Password Strength Checker
Estimate entropy and crack time for any password — fully offline.
Encrypt & Decrypt Text
AES-GCM 256 encryption with a passphrase — round-trip in your browser.
Random PIN Generator
Generate numeric PINs of any length with optional unique digits.
File Checksum
Compute SHA-1, SHA-256 and SHA-512 for any file — locally, never uploaded.
Secure Notes
A local-only encrypted notepad — passphrase-locked with AES-GCM 256.
SSL Certificate Decoder
Decode a PEM certificate into subject, issuer, validity and serial — locally.
Password and Security Tools
Security tools help you create strong credentials, generate secure passphrases, encrypt sensitive text, and verify file integrity. These are essential for protecting accounts, data, and digital identity.
Our password generator creates cryptographically strong random passwords with customizable length and character sets. The passphrase generator creates memorable yet secure multi-word passphrases that are easier to type but harder to crack than traditional passwords.
All security operations run entirely in your browser using the Web Crypto API. Your passwords, encryption keys, and sensitive data are never transmitted to any server, ensuring complete privacy for your most critical security tasks.
