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Description
A powerful userscript manager with GM API support, cloud sync, and auto-updates ScriptVault is a modern, open-source userscript manager built on Chrome Manifest V3. It lets you install, manage, and run custom JavaScript userscripts on any website. FEATURES Full GM API (24+ functions) Complete Greasemonkey and Tampermonkey API compatibility including GM_getValue, GM_setValue, GM_xmlhttpRequest, GM_addStyle, GM_notification, GM_download, GM_registerMenuCommand, and more. All functions also available as promise-based GM.* async variants. Script Management - Auto-detect and install scripts from any .user.js URL - One-click enable/disable per script or globally - Automatic update checking with configurable intervals - Organize scripts with tags, search, and filters - Quick-edit scripts directly from the toolbar popup Advanced URL Matching - Full @match, @include, @exclude, @exclude-match support - User-defined pattern overrides without editing script code - Per-pattern toggles for fine-grained control Cloud Sync Sync your scripts across devices with 5 providers: WebDAV, Google Drive, Dropbox, OneDrive, and Chrome's built-in sync. Built-in Code Editor - CodeMirror with JavaScript syntax highlighting - 5 dark themes: Monokai, Dracula, Material Darker, Nord, Ayu Dark - Code folding, bracket matching, search and replace - Real-time userscript metadata linting Security - Scripts run in isolated USER_SCRIPT world - Permission analysis on the installation page - @connect domain validation for network requests - Remote and manual blacklist system - Zero telemetry — all data stays on your device Import and Export - Full backup and restore via ZIP or JSON - Install scripts from URL or clipboard Available in 8 languages: English, German, Spanish, French, Japanese, Portuguese, Russian, and Chinese. Open source under the MIT license.