Privacy and security education
Privacy and security education: 7 free online tools. Compare tasks, read instructions and choose a tool. No account required.
Inspect supported security-related data and learn how common formats and checks work. Read each tool's explanation of its scope. A format check or educational calculation does not establish the security of an account, file or system.
Choose a tool 7
File encryption and decryption
Encrypt local files with a reviewed authenticated format and restore them.
Privacy and security educationPassword strength estimator
Estimate resistance locally and explain model limitations.
Privacy and security educationSensitive data masking tool
Preview and redact configured text patterns; detection is not exhaustive.
Privacy and security educationContent Security Policy analyzer
Explain pasted directives and identify common configuration issues.
Privacy and security educationCertificate signing request decoder
Inspect a pasted CSR and display subject and public key fields.
Privacy and security educationCaesar and Vigenere cipher explorer
Demonstrate classical ciphers for learning and puzzles.
Privacy and security educationSubresource integrity generator
Generate SRI values for uploaded assets.
Privacy and security education