HTTP Cache-Control Builder

Configure caching directives interactively and generate production-ready HTTP response headers for web servers and CDNs.

Directives Configuration

Visibility Scope

Max Age (Freshness Lifetime)

Shared Max Age (s-maxage)

Stale-While-Revalidate (Seconds)

Additional Modifiers

no-cache (Require server revalidation)

must-revalidate (Enforce strict expiry check)

immutable (Never changes over time)

no-transform (Prevent proxy compression)

Generated Header

public, max-age=86400, immutable

Server Integration Quick Guide

1. Nginx Configuration

Apply caching directives inside location blocks:

add_header Cache-Control "public, max-age=86400, immutable";

2. Apache (.htaccess)

Use mod_headers to append cache rules:

Header set Cache-Control "public, max-age=86400, immutable"

What is HTTP Cache-Control Builder?

HTTP Cache-Control Builder is a browser-based utility for web performance and delivery analysis. It helps you transform, inspect, generate, or evaluate the relevant input without installing a separate desktop tool.

How to use this tool

Enter or paste the required input, select the available options, then review the generated result before copying or applying it in your project. Check the output in its real target environment when accuracy matters.

Frequently Asked Questions (FAQ)

Yes. This tool is designed to process the values you enter in your browser.

Review the output for the target syntax and test it in the application, browser, API, or workflow where it will be used.