CSP Builder
Build secure Content Security Policy headers visually
Security Score
Strong security posture
Policy Mode
Log violations without blocking
Directives
default-srcscript-srcstyle-srcimg-srcfont-srcconnect-srcmedia-srcobject-srcframe-srcframe-ancestorsbase-uriform-actionmanifest-srcworker-srcprefetch-srcdefault-src
Default policy for all content types
'self'Generated CSP
Content-Security-Policy: default-src 'self'Related tools
AES Encryption
Encrypt and decrypt text with AES-GCM and a passphrase, fully in your browser. Uses PBKDF2 key derivation and the Web Crypto API — your data and keys never leave your device.
Basic Auth Generator
Generate an HTTP Basic Authentication header from a username and password. Produces the Authorization header and ready-to-use curl and fetch snippets. Runs fully client-side.
Bcrypt Generator & Verifier
Hash passwords with bcrypt and verify hashes — choose your cost factor (rounds 4–15), get a secure hash instantly, and check whether a password matches a hash. Runs entirely in your browser.
CORS Header Validator
Validate Cross-Origin Resource Sharing headers for security compliance
Email Validator
Validate email addresses with RFC 5322 syntax checking, disposable/temporary email detection, and domain verification. Client-side only.
Hash Comparison Tool
Compare hash values and generate hashes from text for verification