Independent HTTP Header Tool

Compare HTTP Headers

Inspect request and response headers for two URLs — redirects, status codes, and DevTools-style tables side by side.

VS

Server-side GET with browser-like headers — User-Agent, Accept-Language, Cache-Control, Sec-Fetch-*.

Request & Response Headers

Full header tables like Chrome DevTools Network tab.

Browser-Like Requests

Chrome User-Agent, Accept-Language, Sec-Fetch-* and more.

Side-by-Side Diff

Hover to highlight matching headers across both sites.