Money Book - Expense Tracker

Track expenses, manage budgets, split bills, and sync in real-time with Firebase.

Money Book is a fast, professional personal finance companion that streamlines tracking your daily spending and online purchases directly from Google Chrome. With instant bi-directional cloud synchronization, every transaction, category budget, financial memo, and shared bill stays aligned in real-time across your browser, mobile app, and web dashboard. KEY CAPABILITIES: 1. One-Click Google Authentication Sign in seamlessly using your Google Account via Chrome Identity. No separate passwords or complex configurations required. Full offline guest mode is also supported. 2. Quick Expense Recording Capture online purchases in seconds. Use the convenient keyboard shortcut (Ctrl+Shift+E / Cmd+Shift+E) to log transactions without interrupting your workflow. 3. Web Merchant & Price Detection Highlight any price on an e-commerce checkout page or invoice, right-click, and select "Add to Money Book". The extension parses the amount and records the transaction automatically. 4. Real-Time Cloud Synchronization Powered by Google Firebase Firestore, all entries immediately sync across your Money Book mobile app and browser extension. Work offline when needed; pending changes synchronize automatically when reconnected. 5. Category Budget Management Establish monthly spending limits for key categories (Shopping, Bills, Food, Travel). Live progress indicators highlight spending health and alert you when approaching budget caps. 6. Group Bill Splitting & Debt Optimizer Easily split group bills with friends, family, or housemates. Supports both detailed pairwise IOUs and mathematical debt optimization (minimum practical transactions) matching the mobile app. 7. Financial Notepad & Memo Vault Keep structured memos, tax records, and investment notes close at hand. 8. Modern Executive Interface Designed with precision typography, clean SVG vector graphics, and responsive layouts with instant Light/Dark mode toggling.