# Not-so-serious

> Enjoy the colorful vibes on the web.

Canonical page: [https://chrome-stats.com/d/not-so-serious](https://chrome-stats.com/d/not-so-serious)

## Overview

- **ID:** `not-so-serious`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ultromeo
- **Category:** abstract
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2021-05-01
- **First published:** 2021-05-01
- **Size:** 69 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/not-so-serious/)

## Description

Not-so-serious is a Firefox add-on that brings colorful vibes to your web browsing experience. With this add-on, you can transform the look of websites and enjoy a more vibrant and playful online environment.

## Rankings

- #84,354 — Overall

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Low 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/not-so-serious)