How to use Server Header Checker
- Drop your text into the field at the top of Server Header Checker.
- Adjust the Paste raw HTTP response headers option to match what you need.
- Server Header Checker updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
Everything Server Header Checker does happens on your own device. Server Header Checker handles your input locally and returns the result instantly, with no sign-up.
Because it runs on your device, it is fast and private and works offline once loaded. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
How do I use Server Header Checker?
Server Header Checker lets you check your input right in the browser using the Paste raw HTTP response headers control, with the result shown instantly and nothing uploaded.
Does Server Header Checker cost anything?
No — Server Header Checker is completely free, with no sign-up and no hidden limits.
Is my input private in Server Header Checker?
Yes — your input never leaves your device; Server Header Checker does all the work in your browser.
Does Server Header Checker work offline?
Once the page has loaded, Server Header Checker keeps working with no network connection.