extension ExtPose

Feature Policy Tester DevTools Extension

CRX id


Description from extension meta

DevTools extension to test Feature Policy settings

Image from store Feature Policy Tester DevTools Extension
Description from store Developer tool to help testing try and test Feature Policies on live pages. Read more about Feature Policy at https://developers.google.com/web/updates/2018/06/feature-policy.

Latest reviews

  • (2020-03-17) Dhruv Murarka: Can't seem to make it show permissions for an embedded cross-origin iFrame. It only seems to show permissions for the top level document. I need to check the iFrame's permission, can you support something like the console does, where you can choose the context from a list?
  • (2019-04-20) Nitin Pasumarthy: Doesn't seem to work on LinkedIn.com. I click on autoplay to make it 'none', but the videos on LinkedIn's feed still play. Am I missing something?
  • (2018-08-15) David Brewitz: It's useful tester for testing Header Feature Policies.


787 history
3.3 (3 votes)
Last update / version
2019-01-05 / 0.0.2
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