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Security Tools

Passwords, hashes, HMAC, encryption and 2FA codes — everything stays in your browser.

  • Hash Generator

    Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files, and check a checksum.

  • HMAC Generator

    Generate HMAC-SHA256, SHA-384, SHA-512 or SHA-1 signatures from a message and secret key.

  • Password Generator

    Create strong random passwords with the length and characters you choose, generated privately in your browser.

  • Password Strength Checker

    Estimate how strong a password is and how long it could take to crack — without it leaving your browser.

  • Text Encryption (AES)

    Encrypt and decrypt text with a passphrase using AES-256-GCM, entirely in your browser.

  • TOTP Code Generator (2FA)

    Generate time-based one-time passwords from a 2FA secret or otpauth link, like an authenticator app.