HTTP Header Analyzer
Inspect and evaluate HTTP response headers for security flaws, missing CORS policies, and caching headers.
CSP Header Generator
Generate Content-Security-Policy (CSP) headers with custom script, style, image, and font directives.
SRI Hash Generator
Generate Subresource Integrity (SRI) SHA-256, SHA-384, and SHA-512 hashes for secure CDN script and stylesheet tags.
Basic Auth Header Generator
Create standard Authorization: Basic headers by encoding username and password credentials to Base64.
Bearer Token Generator
Format Bearer Token authorization headers for JWT, OAuth 2.0, and REST API testing.
CORS Header Generator
Configure Cross-Origin Resource Sharing (CORS) headers for Express, Nginx, Apache, and Cloudflare.
Set-Cookie Header Builder
Build secure Set-Cookie headers with Secure, HttpOnly, SameSite, Max-Age, and Path flags.
Cache-Control Header Generator
Generate HTTP Cache-Control headers with max-age, s-maxage, immutable, no-cache, and stale-while-revalidate directives.
MIME Type Lookup
Search and inspect standard MIME types, file extensions, and Content-Type headers.
HTTP Status Code Reference
Browse, search, and understand HTTP response status codes (1xx, 2xx, 3xx, 4xx, 5xx) with RFC explanations.
Port Number Reference
Search common network and developer ports (HTTP, HTTPS, SSH, MySQL, PostgreSQL, Redis, MongoDB).