CSP Rule Builder
Create a strict Content Security Policy that limits scripts, frames, images and request targets.
CSP Rule Builder
Limits code, image and request sources strictly.
What this tool solves
CSP Rule Builder helps with XSS reduction, checkout pages, admin pages. It is designed to be clear, fast and predictable, with privacy notes shown on the page.
How to use it
Open the tool, add the required input, check the safety note, then copy or download the result. Related tools can help with the next step.
Input, output and limits
Works with text input and produces text output. Limit: 488.28 KB.
Useful for
This tool is especially useful for:
- XSS reduction
- checkout pages
- admin pages
Example workflow
Typical use for CSP Rule Builder: add the text, let the tool prepare the result, then copy or download it and review it inside your own workflow.
Privacy and data handling
Runs in the browser. No server call is made.
Safe-use boundary
This tool may not be used for illegal content, harmful files, credential theft, fraud or abuse. Suspicious use may be stopped with a rate limit or access block.
FAQ
Will this fix every XSS issue?
No. CSP is a strong extra layer, not a replacement for escaping and validation.
What is CSP Rule Builder useful for?
CSP Rule Builder gives a fast, readable starting point for safer checks. Review the output before using it for important decisions.
Does this tool permanently store my data?
Runs in the browser. No server call is made.
Can I use the result directly?
You can copy or download the result, but outputs should be verified for official, legal, financial, medical or security-sensitive decisions.
Do ads look like tool buttons?
No. When ads are enabled, they are not presented as tool buttons, download areas, menus or system messages.