# BlackOJ

> Just trying out this whole Persona thing, goes quite well with the Zune XP Theme.

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

## Overview

- **ID:** `blackoj`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** kobokun
- **Category:** solid
- **Daily users:** 1
- **Version:** 2.0
- **Last updated:** 2019-05-13
- **First published:** 2009-04-16
- **Size:** 8.33 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/blackoj/)

## Description

BlackOJ is a Firefox add-on that allows users to try out the Persona feature and enhance their browsing experience with the Zune XP Theme. It provides a seamless integration of the theme and allows users to personalize their Firefox browser.

## Rankings

- #121,163 — Overall

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- 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).

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