Cookie Security Flag Auditor (HttpOnly, Secure, SameSite)
Inspect Set-Cookie response headers from any URL or paste raw cookie strings to verify HttpOnly, Secure, SameSite=Strict/Lax, and __Host- prefix hardening. 100% free, instant execution, dark mode supported, and zero registration required on TempoMailUSA.
Testing signups or email deliverability?
Generate disposable email inboxes or use public temporary phone numbers to test OTP verification and account flows.
Overview & Usage
Cookie Security Flag Auditor (HttpOnly, Secure, SameSite) is a free online tool designed for audit set-cookie header samesite httponly. Inspect Set-Cookie response headers from any URL or paste raw cookie strings to verify HttpOnly, Secure, SameSite=Strict/Lax, and __Host- prefix hardening. It runs quickly and privately in your browser with instant copy and export options.
This tool runs with complete privacy in your browser. All inputs, calculations, and DNS verifications follow current web standards.
Technical Specifications
| Tool Name | Cookie Security Flag Auditor (HttpOnly, Secure, SameSite) |
|---|---|
| Category | Privacy & Leak Detection |
| Processing | Live Network Lookup |
| Privacy | Private — No inputs are saved or tracked |
| Output Formats | Clipboard Copy, Text, and JSON |
How to Use Cookie Security Flag Auditor (HttpOnly, Secure, SameSite)
Enter your domain, IP address, text, or code into the input field above, or click one of the quick sample presets.
Click the button to query the network in real time and retrieve up-to-date DNS and protocol records.
Inspect the generated code, formatted results, and diagnostic details in the results panel.
Click the Copy button to copy the output directly to your clipboard, or download it to your computer.