Product Information
What is Firemonkey?
FireMonkey is an all-new combination user script and user style manager. While it shares functionalities similar to other user script managers like GreaseMonkey/Tampermonkey/Violentmonkey, and user CSS managers such as Stylish/Stylus/xStyle, there are differences to note.
Note: None of my extensions contain any tracking, advertisements, or privacy violations. They are all licensed under Mozilla's open-source license. The source code is transparently accessible by extracting the XPI file.
Note: Support for Firefox on Android is experimental (v2.12+).
### Features
- Lightweight extension for user scripts and user styles
- Protected private APIs (Firefox 65+) for handling user scripts
- Toggle scripts/CSS on/off via the toolbar button
- Supports GM3 and GM4 (GM_*** and GM.***) style functions, along with some new APIs (e.g., `fetch`)
- Automatic and manual updates for scripts/CSS
- Export/import preferences (for backup or sharing) to/from local files on your computer
- Export/import scripts and CSS
- `@require` to load other saved scripts
- Web installation of scripts from GreasyFork, OpenUserJS, and user styles from Stylish
- Direct script installation from GreasyFork, OpenUserJS, and `file:///`
- Console logs script errors with references to individual scripts
- Temporarily inject existing user scripts and user CSS
- Temporarily inject CSS and JavaScript
- Log displays recent errors and script update messages
- Script notifications show the script name
- Includes a help guide
### Permission Explanations:
- **Input data to clipboard**: Used for copying to clipboard
- **Download files and read/modify browser download history**: Only for exporting scripts/CSS/preferences
- **Show notifications**: Used to notify users
- **Access browser tabs**: Used to retrieve data for tab operations
- **Store unlimited client-side data**: Used to store scripts and CSS
- **Access browser activity during navigation**: Used to display running scripts in the active tab
- **Access data for all websites**: Used to inject scripts/CSS
From: https://addons.mozilla.org/en/firefox/addon/FireMonkey/
How to use Firemonkey?
Firemonkey is a lightweight user script and user style manager that offers a novel approach to combining the management of user scripts and styles, along with support for secure, dedicated APIs.
Core Functions of Firemonkey
Lightweight and Customizable
Usage Scenarios of Firemonkey
- Enable or disable user scripts and styles via toolbar buttons.
- Update scripts and styles automatically or manually.
- Install scripts from platforms like GreasyFork, OpenUserJS, and Stylish userstyles.
- Export/import configurations, scripts, and styles for backup or sharing.
- Temporarily insert existing user scripts and styles.
- Use a scratchpad to temporarily insert CSS and JavaScript.
Common Questions about Firemonkey
What does Firemonkey do?
How do I use Firemonkey?
What are the core features of Firemonkey?
What are the application scenarios of Firemonkey?



















