SnapMonkey

Lightweight userscript manager for Chrome, Firefox, and Edge

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.