CSP Header Generator
Build Content Security Policy headers
CSP Header Generator
Generate a Content-Security-Policy header by toggling directives and configuring allowlists.
default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' https://fonts.gstatic.com; object-src 'none'; upgrade-insecure-requests
Free online general tool: build content security policy headers. The CSP Header Generator runs entirely in your browser — no data sent to any server.
Key Features
Your data never leaves your device
Supports multiple input formats
No ads in your face
Works offline once loaded
Works on desktop and mobile
Free for personal and commercial use
How to Use CSP Header Generator
Enter your input
Type or paste the values you want to process
Adjust settings if needed
Customize any options for your specific use case
Get instant results
The tool processes your input automatically and shows results immediately
Copy your results
Use the copy button to save the output for later use
Use Cases
Everyday use
Professional work
Quick reference
Educational purposes
Frequently Asked Questions
Is there a usage limit?
No, you can use this tool as many times as you want, completely free.
Can I use it offline?
Once the page loads, the tool works without an internet connection.
Is this tool free?
Yes, completely free with no registration, no limits, and no hidden costs.
Do I need to sign up?
No account required. Just open the page and start using the tool immediately.
Tool Information
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