Checkbook Manager is a simple and efficient electronic checkbook and reconciliation management application, helping individuals and small organizations record transactions, print checks, reconcile bank statements, and generate reports. Core Recording Quickly enter transactions (date, type, check number, payee, notes, income/expenses) Batch check entry (auto-increment check number, real-time preview) Transaction clearing mark (cleared/uncleared), automatic calculation of actual balance and bank balance Local persistent storage, import/export JSON Reconciliation and bank statements Reconciliation dialog: Enter statement balance, instantly calculate differences Import bank CSV (Date/Description/Amount/Balance) Smart matching and automatic cleared mark (amount matching + date tolerance) Check printing Preset templates (Basic, 3-up), automatic conversion of amounts to lowercase One-click printing of selected transactions Report statistics Monthly/Yearly/Custom interval reports Filter (income/expense/cleared/uncleared) Export Excel (CSV)/PDF Reminders and Automation Check due date reminders (customizable lead time, optional sound effects) Recurring transaction rules (monthly/weekly), with one-click rule generation from the current form for quick transaction output Convenient Tools and Experience Built-in calculator (supports four arithmetic operations) Search, sort, copy, delete, and edit Configurable opening balances, modern gradient and frosted glass interface Useful for: Family/personal finance, self-employed professionals, and small and micro businesses looking to record and reconcile checks/journals, print checks, generate reports, and archive annually.