HTTP Headers Generator
Generate common HTTP headers for JSON, REST, and GraphQL APIs with correct Content-Type and authorization patterns. Code never leaves your device — formatting and validation run locally in your browser.
How to Use the HTTP Headers Generator
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Frequently Asked Questions
Which security headers should I set?
CSP, HSTS, X-Frame-Options, X-Content-Type-Options, and Referrer-Policy cover most apps.
What does HSTS do?
Forces HTTPS for a max-age period, blocking SSL-stripping attacks on your domain.
How do I deploy these headers?
Paste into server config (Nginx/Apache) or application middleware as shown.
Custom headers too?
Yes — authorization, CORS, caching, and any custom pairs you define.
Are my header values uploaded anywhere?
No — generation runs locally in your browser, free with no signup.
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Last updated October 2026