Free Security Tools

2 Free Tools

Two small tools for everyday security. The password generator makes long random passwords with the characters you choose, using your browser's secure random numbers. The hash generator works out the checksum of text or a file, so you can check that a download hasn't been changed. Nothing you type or choose is sent anywhere.

Password GeneratorGenerate strong random passwords using your browser's cryptographic random generator.Hash GeneratorGenerate SHA-1, SHA-256, SHA-384 or SHA-512 hashes locally.

Guides

How to Password-Protect a PDF (and What PDF Passwords Can and Can't Do)
How to Create a Strong Password in 2026
What Is a Hash? SHA-256 and File Checks Explained Simply
How to Share Your Wi-Fi With a QR Code (iPhone and Android)

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