mytools

Cookie Header Generator

Construct valid HTTP Cookie and Set-Cookie header strings instantly with custom attributes and flags.

Set-Cookie: session_id=abc123xyz789; Max-Age=86400; Path=/; SameSite=Lax; Secure; HttpOnly

Header Attributes Reference

1. HttpOnly

Prevents client-side scripts (like JavaScript via document.cookie) from accessing the cookie, mitigating XSS risks.

2. SameSite

Controls whether cookies are sent with cross-site requests, providing protection against Cross-Site Request Forgery (CSRF).

3. Secure

Ensures the cookie is only transmitted over encrypted (HTTPS) connections.

What is Cookie Header Generator?

Cookie Header Generator is a browser-based developer utility that helps you work with its relevant input and output without installing a separate desktop application.

How to use this tool

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

Frequently Asked Questions (FAQ)