Security
Generate codes, tokens and hashes for your security needs.
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TOTP Generator
Generate time-based one-time passwords (TOTP) from a secret key, refreshed every 30 seconds.
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Password Strength Checker
Check how strong a password is against common criteria, instantly, without sending it anywhere.
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Random Token Generator
Generate a cryptographically random token (hex or base64) of any length, instantly.
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HMAC Generator
Generate an HMAC (SHA-1, SHA-256, SHA-512) from a message and a secret key, instantly.
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The Security category groups tools useful for developers and security-conscious users: one-time code generators, tokens, hashes...
Everything runs locally in your browser using the native Web Crypto API — no secret or code ever leaves your device.
Everything runs locally in your browser using the native Web Crypto API — no secret or code ever leaves your device.