Take control of your finances without sacrificing your privacy or paying monthly subscription fees. Expense Inspector for Gmail is an automated expense tracker built entirely inside a Google Sheet, designed to securely scan your inbox and organize your spending in seconds.Core Features Automated Inbox Scanning: Extracts receipts and invoices directly from your Gmail to eliminate manual data entry. 100% Local Privacy: Runs exclusively within your personal Google Drive environment. There are zero third-party APIs, external servers, or hidden data transfers. Custom Categorization: Define your own keyword rules (e.g., mapping "Uber" to "Transport") to automatically sort your transactions. Month-over-Month Analytics: Track your 3-month trailing spending trends with clean, built-in visual breakdowns. Global Currency Support: Toggle your preferred local currency symbol directly from the intuitive settings menu. German and English What You Receive Instant access to the private Master Google Sheet via a secure download link. A comprehensive PDF Welcome Guide walking you through the simple 3-minute authorization setup. One time download. No Fees or subscription.