Smart Header Alternatives

WebSniffer is an online tool to outlook HTTP request and response headers.

Modify Header Value (HTTP Headers) is a browser extension that allows you to add, modify or remove a header for any request to your preferred domains.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

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HTTP-Repeater (HTTP/s Live Headers) (Beta) is a browser extension that lets you capture browser requests and repeat the process in a loop automatically.

Sky Live HTTP Headers is an open-source browser extension that visually displays HTTP requests and response headers from every website you visit.

HTTP-TRACKER is an advanced browser extension that allows you to examine HTTP request headers, cookies, response Headers, website data, cookies and modify request headers before sending them.

HTTP Header Analyzer is an open-source browser extension that allows you to see and analyze the current HTTP request and response header from the website URL.

HTTP Header Spy is a browser extension that allows you to inspect the request and response header of any website URL.

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

Displays the HTTP header. Edit it and send it.

View HTTP header response for any web page.

The goal of this project is to adds information about the HTTP headers in three ways:

A HTTP protocol debugger with Chrome DevTools frontend interface

HTTP Header Checker Tools

Open Source free