Raise password quality
Spot weak passwords and get suggestions before account creation flows.
Security Validators
Security Validators
Harden your inputs and tokens with instant entropy math, Luhn checks, and format validation—no data leaves the page.
Password strength + entropyToken and key pattern checksLocal-only execution
Perfect for
- •Developers and QA
- •Security engineers
- •IT admins and support teams
Try these first
What you can validate
Common scenarios
Password strength, entropy, and token format checks that never leave your browser.
Validate keys locally
Check JWT or API key format without sending them to a server.
Pick a tool
Featured security validators
Browse the live tools below or request a new validator if you need something specific.
Why people trust us
Built for real-world validation
Password strength, entropy, and token format checks that never leave your browser.
Privacy-first
Inputs never leave the browser.
Deterministic rules
Transparent scoring and validation criteria.
Copyable guidance
Short tips you can paste into docs or tickets.
Explore related categories
Hop to another topic to keep your project moving.
FAQs
- Do you store secrets or keys?
- No. Everything runs locally and resets on refresh.