About Strict Transport Security (HSTS) Header & Preload Generator
Generate standard HTTP Strict Transport Security (HSTS) headers with max-age, includeSubDomains, and preload flags for Chrome HSTS preload list eligibility.
Key Features
- Instant client-side calculation with zero latency.
- Private & secure: all operations run strictly in your browser.
- Responsive layout optimized for desktops, tablets, and smartphones.
- One-click copy and export functionality.
Frequently Asked Questions
Yes, all utilities on VibeTool are completely free and supported by clean display advertising.
Absolutely. All mathematical, graphical, and text computations are performed locally in your browser.
