Credentials & Privacy

Browse our free Credentials & Privacy collection for developers. Every tool works in your browser with no installation required.

22 tools
JWT Decoder
Decode JWT tokens
Password Generator
Generate secure passwords
JWT Generator
Generate JWT tokens with HS256
ENV Diff Comparator
Compare, audit & merge .env files with secret detection
ZIP with Password
Compress & encrypt files locally — no upload, no server.
Password Strength Checker
Test password strength and predictable patterns privately
PDF PII & Secret Redactor
Detect and permanently remove secrets before sharing a PDF
SQL Injection Lab
Learn how unsafe SQL differs from parameterized queries
Random String & Token Generator
Generate secure random strings, API keys and tokens with honest entropy
RBAC Analyzer
Find role hierarchy cycles, redundant grants and separation-of-duty conflicts
Cookie Analyzer
Check Set-Cookie headers for Secure, HttpOnly, SameSite and prefix issues
OAuth 2.0 & OIDC Debugger
Build, inspect and fix OAuth and OIDC flows
CSP Analyzer & Builder
Check a Content-Security-Policy for weaknesses or build a strong starting policy
JWK ↔ PEM Converter
Convert JWK and JWKS keys to SPKI or PKCS#8 PEM and back
X.509 Certificate Inspector
Decode PEM and DER certificates and check expiry, SANs and chain order
Webhook Signature Verifier
Verify GitHub, Stripe, Slack, Shopify and Standard Webhooks signatures and see why they fail
Passkey / WebAuthn Debugger
Test passkeys in your browser and decode WebAuthn responses offline
SAML Decoder
Decode SAMLRequest and SAMLResponse from POST, Redirect or raw XML
SAML Metadata Parser
Inspect IdP, SP and federation metadata: endpoints, certificates and issues
SAML Response Validator
Check SAML timestamps, audience, destination and recipient
Secret & API Key Scanner
Find leaked API keys, tokens and passwords in code, config, logs and diffs, then redact them
RSA Key Pair Generator
Generate RSA public and private keys as PEM in your browser

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