Chexxo

Browser extension that allows users to see the certificate quality of websites.

Chexxo - Certificate Quality Browser Extension

Chexxo is a browser extension that analyzes and displays the quality of websites' certificates. It differentiates between three quality classes and blocks low-quality certificates. Privacy is maintained through limited server logging.
Install from Chrome Web Store

Extension stats

By: chexxo
Users: N/A
Version: v1.0.0 [Mario - SuperStar] (Last updated: 2021-05-19)
Creation date: 2020-12-13
Risk impact: Moderate risk impact
Risk likelihood:
Manifest version: 2
Permissions:
  • storage
  • webNavigation
  • <all_urls>
Size: 2.72M

Other platforms

Not available on Android
Not available on Firefox
Chexxo (vv1.0.0 [Mario - SuperStar])
0.00 (0) 33
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Extension summary

Chexxo analyses the certificates of the websites you visit and displays the certificate's quality as well as the certificate details. Chexxo differentiates between the three quality classes defined by the CA/Browser Forum which are "domain validated", "organization validated" and "extended validated". If the quality of a websites certificate degrades Chexxo will block the domain and show a warning. This behaviour may be deactivated in the extension settings.

Since Chromium based browsers do not provide an option to read the certificate from the webRequest-API, a server component is needed in order for Chexxo to function properly. Therefore, we have written a simple server which provides the extension with the certificate for the requested webpage. You may host this server yourself, see https://github.com/Chexxo/Server for more information.

Privacy: The server only gets the URL of the webpage which should be checked. The server logs only contain the URL, a UUID and the error if one occurred. The UUID is newly generated for every occurring error and cannot be traced back to a user unless you provide us with your local log for debugging purposes. This does not happen automatically therefore by default we cannot associate a URL with a user.

Extension safety

Risk impact

Chexxo requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

Chexxo is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

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Promo images

Chexxo small promo image
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