Security & Cryptography Tools for Privacy-Conscious Users
Worried about your passwords? Test their strength with entropy analysis, generate cryptographic hashes with MD5/SHA-256/SHA-512, and explore classical ciphers like Caesar — all running 100% locally in your browser. No data leaves your device.
Protect your digital life with tools that never touch a server. Test password strength, generate cryptographic hashes, and explore classical ciphers — all running locally in your browser with zero data transmission. Privacy-first security utilities for developers and everyone.

Caesar Cipher
Encrypt and decrypt text using the Caesar cipher with a customizable shift value.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input instantly.
Password Strength Tester
Test and analyze the strength of any password with entropy calculation and detailed feedback.
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