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Free Security Tools Online

Free online security tools: strong password generator and cryptographic hash generator. All processing is local — no data stored.

Security

Password Generator

Generate strong, secure passwords instantly. Customize length, characters, numbers, and symbols. All generated locally in your browser.

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Security

Hash Generator

Generate SHA-256, SHA-384, SHA-512, and SHA-1 hashes from any text. All hashing done locally in your browser.

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About Our Free Security Tools

Our security tools prioritize privacy by design. The password generator uses the Web Crypto API (window.crypto.getRandomValues) for cryptographically secure randomness — far superior to Math.random(). Customize length (4–64 characters) and character sets (uppercase, lowercase, numbers, symbols). Generated passwords are never transmitted anywhere. The hash generator creates SHA-256, SHA-384, SHA-512, and SHA-1 checksums for data integrity verification, password storage research, and file verification — all computed locally using the Web Crypto API.