# ScriptCat Beta

> Everything can be scripted, allowing your browser to do more!

Canonical page: [https://chrome-stats.com/d/scriptcat-pre?hl=es](https://chrome-stats.com/d/scriptcat-pre?hl=es)

## Overview

- **ID:** `scriptcat-pre`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** 王一之
- **Category:** web-development,language-support
- **Daily users:** 325
- **Weekly downloads:** 39
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.5.0.1400
- **Last updated:** 2026-09-01
- **First published:** 2022-11-07
- **Size:** 5.02 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/scriptcat-pre/)
- **Website:** [https://docs.scriptcat.org](https://docs.scriptcat.org/)

## Description

ScriptCat Beta is a cutting-edge browser extension designed to execute user scripts, enabling your browser to perform a wide range of automated tasks. Inspired by Greasemonkey and Tampermonkey, ScriptCat offers a powerful framework to run both background and scheduled scripts with enhanced capabilities.

Key features include cloud synchronization for easy script recovery, script subscription for managing collections, seamless compatibility with other user script managers, and a robust set of APIs that unlock greater functionality. The extension boasts a sandboxing mechanism to ensure user safety, granting script permissions only with user consent. Additionally, its excellent online editor supports API auto-completion and ESLint, making script development more efficient and enjoyable. Stay connected with the community via Telegram, Discord, and other forums as ScriptCat continues to evolve and add more features.

## Rankings

- #6,415 — Overall
- #273 — Language Support
- #4 — beta
- #16 — script
- #64 — education
- #66 — pleasant

## Permissions and access

### Permissions

- `tabs`
- `alarms`
- `storage`
- `cookies`
- `scripting`
- `downloads`
- `activeTab`
- `webRequest`
- `contextMenus`
- `webNavigation`
- `notifications`
- `clipboardWrite`
- `unlimitedStorage`
- `declarativeNetRequest`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** Very 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 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).

## Similar extensions and apps

- [ScriptCat](https://chrome-stats.com/d/scriptcat) — 10,477 users, 4.74 / 5
- [Script Runner](https://chrome-stats.com/d/script-runner) — 400 users, 5.00 / 5
- [Scripts runner](https://chrome-stats.com/d/scripts-runner) — 57 users, 4.67 / 5
- [Ace Script](https://chrome-stats.com/d/ace-script) — 1,096 users, 3.75 / 5
- [ScriptCat Beta](https://chrome-stats.com/d/%25E7%258E%258B%25E4%25B8%2580%25E4%25B9%258B) — 2 users
- [User Scripts Manager](https://chrome-stats.com/d/scripts-manager) — 1 users
- [Miniscripts](https://chrome-stats.com/d/miniscripts) — 1 users
- [Tampermonkey](https://chrome-stats.com/d/tampermonkey) — 789,038 users, 4.70 / 5
- [Content Scripts Extension](https://chrome-stats.com/d/content-scripts-extension) — 1 users
- [Smart Script Manager](https://chrome-stats.com/d/smart-script-manager) — 2 users
- [Violentmonkey](https://chrome-stats.com/d/violentmonkey) — 179,240 users, 4.73 / 5
- [run-a-script](https://chrome-stats.com/d/run-a-script) — 123 users, 5.00 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/scriptcat-pre?hl=es)