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A lightweight, fast, and modern userscript manager for Chrome, Firefox, and Edge. Install, manage, and run .user.js scripts to customize any website — enhance functionality, remove clutter, add features, and automate tasks across the web.
Why SnapMonkey?

Fast and lightweight — minimal resource usage, no bloat
Built on Manifest V3 — future-proof and secure
Built-in script store — browse and install scripts directly from GreasyFork
Code editor — edit scripts with syntax highlighting, dark/light themes, and keyboard shortcuts
Cross-browser — works on Chrome, Firefox, and Edge with a single codebase
Export & import — back up your scripts and settings, transfer between browsers

Key Features

Install userscripts from GreasyFork or any .user.js URL
Script confirmation page — review permissions before installing
Enable/disable scripts per site or globally
Full GM_ API support — GM_getValue, GM_setValue, GM_addStyle, GM_xmlhttpRequest, GM_notification, GM_download, GM_openInTab, GM_setClipboard, GM_registerMenuCommand, and more
Auto-update installed scripts
Toolbar popup — see active scripts on the current page, toggle on/off instantly
Organize scripts with drag-and-drop reordering
Search and sort scripts from GreasyFork by daily installs, total installs, ratings, or date
Settings — customize update intervals, editor theme, font size, badge display

Compatible with Popular Userscripts
SnapMonkey supports scripts from GreasyFork, OpenUserJS, and other userscript repositories. If it works with Tampermonkey or Violentmonkey, it works with SnapMonkey.
Common Use Cases

Remove ads and distractions from websites
Add dark mode to sites that don't support it
Download media from social platforms
Customize YouTube, Twitter, Reddit, and other sites
Auto-fill forms and automate repetitive tasks
Enhance online shopping with price trackers and coupon finders
Bypass paywalls and access restrictions

Privacy
SnapMonkey does not collect any data. All scripts and settings are stored locally in your browser. No analytics, no tracking, no accounts required.