# OpenComments MV3

> Post public comments on any site. Own the Web. Let your voice be heard. This version of the extension makes use of manifest version 3.

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

## Overview

- **ID:** `opencomments`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** ChiaraMail
- **Category:** social-communication,shopping
- **Version:** 1.0.0
- **Last updated:** 2022-11-25
- **First published:** 2022-11-25
- **Size:** 584 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/opencomments/)
- **Website:** [https://groups.google.com/g/opencomments-users-group](https://groups.google.com/g/opencomments-users-group)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/opencomments/privacy/](https://addons.mozilla.org/firefox/addon/opencomments/privacy/)

## Description

OpenComments MV3 is a Firefox add-on that enables users to post comments directly on any web page, which can be read by anyone. Through the OpenComments Web app, anyone can read these comments, while only OpenComments users can post or share comments.

## Rankings

- #132,961 — Overall

## Permissions and access

### Permissions

- `scripting`
- `activeTab`
- `tabs`
- `storage`
- `notifications`
- `contextMenus`
- `identity`

### Host permissions

- `<all_urls>`

### Content script matches

- `opencomments-4e86d.web.app`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

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

## Similar extensions and apps

- [OpenComments MV2](https://chrome-stats.com/d/opencomments-mv2)
- [OpenComments for Firefox](https://chrome-stats.com/d/opencomments-for-firefox) — 2 users, 5.00 / 5
- [Open Comments Plus](https://chrome-stats.com/d/open-comments-plus)
- [Open Comments](https://chrome-stats.com/d/open-comments) — 2 users
- [Beyond Comments](https://chrome-stats.com/d/beyond-comments)
- [UpComment](https://chrome-stats.com/d/upcomment1)
- [External comments for web sites](https://chrome-stats.com/d/external-comments) — 2 users, 2.00 / 5
- [UComment](https://chrome-stats.com/d/ucommentme) — 2 users, 5.00 / 5
- [Free Comments on sites](https://chrome-stats.com/d/free-comments-on-sites) — 1 users
- [OpenDiscourse](https://chrome-stats.com/d/opendiscourse)
- [Get Comments](https://chrome-stats.com/d/get-comments) — 1 users, 3.50 / 5
- [Comments the web](https://chrome-stats.com/d/comments-the-web) — 4 users

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