HTTP Cache Header Generator

Visually build Cache-Control headers with directives explained.

Generated Header

Cache-Control: (none)

Presets

Visibility

max-age (seconds)

s-maxage (CDN, seconds)

stale-while-revalidate (seconds)

stale-if-error (seconds)

no-cache — Revalidate before using cached response

no-store — Never cache (sensitive data)

must-revalidate — Stale cache must be revalidated

proxy-revalidate — Revalidate on shared caches

immutable — Content never changes (for versioned assets)

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