# mosu! preview

> Preview osu! beatmaps from valid osu.ppy.sh beatmap URLs from the browser.

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

## Overview

- **ID:** `mosu-preview`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** fax1015
- **Category:** games-entertainment
- **Daily users:** 28
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 0.5.0
- **Last updated:** 2026-08-30
- **First published:** 2026-03-04
- **Size:** 468 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/mosu-preview/)

## Description

Fast and simple osu! map previews. Loads in immediately using preview audio, then hot swaps the preview audio with the full quality audio seamlessly.

Supports all 4 game modes.

## Rankings

- #20,985 — Overall
- #22 — preview
- #70 — review

## Permissions and access

### Permissions

- `activeTab`
- `storage`

### Host permissions

- `https://osu.ppy.sh/*`
- `https://b.ppy.sh/*`
- `https://catboy.best/*`
- `https://osu.direct/*`
- `https://dl.osu.direct/*`
- `https://api.nerinyan.moe/*`
- `https://dl.nerinyan.moe/*`
- `https://txy1.sayobot.cn/*`
- `https://*.idrivee2-50.com/*`
- `https://tc1.sayobot.cn:25225/*`
- `https://osu.sayobot.cn/*`

## Safety

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

### Analysis details

- Request access to the following domains: ppy.sh, catboy.best, osu.direct, nerinyan.moe, sayobot.cn, idrivee2-50.com
- This extension was recently updated in the past month. New updates 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/mosu-preview)