# Chexxo

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

Canonical page: [https://chrome-stats.com/d/chexxo](https://chrome-stats.com/d/chexxo)

## Overview

- **ID:** `chexxo`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Chexxo
- **Category:** web-development,privacy-security
- **Version:** 1.0.0
- **Last updated:** 2021-05-19
- **First published:** 2020-11-24
- **Size:** 2.64 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/chexxo/)
- **Website:** [https://github.com/Chexxo/Chexxo/issues](https://github.com/Chexxo/Chexxo/issues)

## Description

Chexxo is a browser extension that allows users to see and analyze the quality of website certificates. It differentiates between domain, organization, and extended validation. It also blocks requests to sites with decreased certificate quality.

## Rankings

- #134,803 — Overall

## Permissions and access

### Permissions

- `storage`
- `webNavigation`
- `<all_urls>`
- `webRequest`
- `webRequestBlocking`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension support email may not be valid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/chexxo)