CSP Tester

CSP Tester is a Chrome extension developed by oxdef. According to the data from Chrome web store, current version of CSP Tester is 2.1, updated on 2018-10-02.
1,000+ users have installed this extension. 7 users have rated this extension with an average rating of .

This extension helps web masters to test web application behaviour with Content Security Policy version 2.0 implemented.

This extension helps web masters to test web application functionality
with Content Security Policy (CSP) version 2.0 implemented.

Typical workflow looks like:

1. Open the extension window
2. Add into the URL Pattern a regular expression for the site that you want to test, for example *://yoursite.com/* (CSP Tester uses Chrome Match Patterns)
3. Tick the e.g. "self" checkbox, check "Active" and Save the changes
4. Open the Developer Tools and navigate to the tested site
5. Confirm a number of CSP violations reported in the Developer Tools Console as well as possible visual changes
6. Make changes in the policy based on these reports