HTTP Cache-Control Header Generator | Build Cache Headers Online Free

Generate HTTP Cache-Control headers with max-age, s-maxage, stale-while-revalidate, immutable, and more. CDN and browser caching strategies included. Free, browser-based. Designed specifically for developers and professionals, this free online generator runs entirely in your browser to process tasks quickly and securely. Enjoy unlimited usage with no data tracking and no registration required.

Also known as: cache-control header generator online · http cache control header builder · generate cache-control header free · cdn cache header generator tool · browser cache header generator · stale-while-revalidate header tool · http caching policy generator · cache-control header generator · http cache header generator online · cache-control generator free · generate cache-control header · cdn cache header generator · browser cache header tool · stale-while-revalidate generator

date and time tools

generators

developer utilities

Cache-Control: public

Cache Configuration

Configure caching directives. The header updates live.

Cacheability

max-age (seconds)

s-maxage (seconds) - CDN / shared cache override

stale-while-revalidate (s)

stale-if-error (s)

must-revalidate

Once stale, always revalidate with origin before serving.

proxy-revalidate

Like must-revalidate but only for shared (CDN/proxy) caches.

immutable

Skip revalidation during freshness. Best for versioned assets (/app.v1.2.3.js).

no-transform

Prevent proxies and CDNs from modifying the response body.

Generated Headers

9 lines

307 chars

# Generated Cache-Control Header
# --------------------------------

Cache-Control: public

# Directive Explanations:
# public - Response may be stored by any cache (browsers, CDNs, proxies).

# Nginx example:
add_header Cache-Control "public";

# Apache .htaccess example:
Header set Cache-Control "public"

About HTTP Cache-Control Header Generator

Generate correct Cache-Control headers for browsers and CDNs. Configure max-age, stale-while-revalidate, immutable, and more with live preview. Free, browser-based.

Key Features

Supports all major Cache-Control directives including stale-while-revalidate and stale-if-error
Generates Nginx add_header and Apache .htaccess configuration examples
Live header preview updates as you change settings - no button press needed

Use Cases

Configure optimal CDN caching for API responses, static assets, and HTML pages
Set up immutable headers for versioned JavaScript and CSS bundles
Generate no-store or no-cache headers for sensitive pages like dashboards or checkout

Related Keywords

cache-control header generator

http cache header generator online

generate cache-control header free

browser cache header builder

cdn cache header generator

stale-while-revalidate generator

Privacy & Security

All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.

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Frequently asked questions

What is HTTP Cache-Control Header Generator used for?

Generate HTTP Cache-Control headers with max-age, s-maxage, stale-while-revalidate, immutable, and more. CDN and browser caching strategies included. Free, browser-based.

Is HTTP Cache-Control Header Generator free to use?

Yes. HTTP Cache-Control Header Generator is completely free with no usage limits, and there is no paid tier required to use it.

Do I need an account to use HTTP Cache-Control Header Generator?

No. HTTP Cache-Control Header Generator works immediately in your browser with no signup, login, or email address required.

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