HTTP Cache Header Generator
Generate Cache-Control directives with configurable max-age, scope, must-revalidate, and no-transform options. Code never leaves your device — formatting and validation run locally in your browser.
How to Use the HTTP Cache Header Generator
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Frequently Asked Questions
Which cache headers can I generate?
Cache-Control, ETag, Expires, and Last-Modified in coherent combinations.
max-age guidance?
Immutable assets get a year; HTML gets revalidation, not caching.
CDN compatible?
Standard directives every CDN honors, battle-tested across providers.
Is my settings uploaded anywhere when using HTTP Cache Header Generator?
No — generation runs locally in your browser, free with no signup.
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Last updated October 2026