Free Security & Privacy Tools
Tools to keep accounts and websites safe: password strength checks, SHA-256 and HMAC generation, secure random tokens, personal-data masking, security header and TLS grading, a CSP builder and privacy policy and terms templates.
10 free tools · no sign-up
Password Strength Checker
How long a password would take to crack, and why.
SHA-256 Hash Generator
SHA-256 hash of any text or file.
HMAC Generator
Create and verify HMAC signatures (SHA-256 and more).
Secure Random String Generator
Random tokens, keys and strings from a secure source.
PII Data Masker
Hide emails, phone and card numbers, IPs in text.
Security Headers Checker
Grade a site's HSTS, CSP and other security headers.
TLS Checker
Which TLS versions a server accepts, and its cipher.
CSP Header Generator
Build a Content-Security-Policy header step by step.
Privacy Policy Generator
A privacy policy template for your website or app.
Terms & Conditions Generator
A terms of use template for your website.
Questions
Are these Security tools really free?
Yes. All 10 tools in this category are free to use, with no sign-up and no watermark on your files.
Are my files and text kept private?
8 of these tools run entirely in your browser, so nothing is uploaded. The others send your file to our server only to process it and delete it as soon as the result is sent back. Each tool page says which kind it is.
Do I need to install anything?
No. The tools work in any modern browser on Windows, Mac, Linux, Android and iPhone.