Stripe Secret
- sk_live_xxxxxxxxxxxxxxxxxxxxxxxx -> recognized
security validator
Check common API key/token formats (Stripe, GitHub, AWS, OpenAI, etc.) locally.
Pattern-only validation; no network calls.
Matches common formats for major providers.
Runs entirely client-side/offline; no keys leave the page.
security
Password Strength Checker
Score password strength with clear, local checks—length, variety, and guidance without sending data anywhere.
security
Password Entropy Calculator
Estimate password entropy (bits) in-browser to see how length and character sets impact strength.
developer
Regex Tester
Test regex patterns against sample text with live matches and errors.
Format-only; does not verify token legitimacy or privileges.