Checkbook Calculatorv1.0.0

Enter a starting balance to establish the opening amount in your register. Add transactions one at a time by clicking the Add Transaction button. For each transaction, select the date, provide a description, choose a type (Deposit, Withdrawal, or Check), and enter the dollar amount. If the Show Check Number Field option is enabled in Settings, an additional field appears for recording check numbers.

• Set the Starting Balance field to the current balance shown on your bank statement or the opening amount of a new account.
• Click Add Transaction to create a new row. Fill in the Date, Description, Type, and Amount fields. Amounts accept decimals such as 149.95, fractions such as 3/4, and values with dollar signs or commas such as $1,250.00.
• Select Deposit to add funds to the balance, or select Withdrawal or Check to subtract funds.
• Click Calculate or wait for auto-calculation to see the running balance update after each transaction in the Transaction Ledger section. Negative balances are flagged so overdrafts are visible at a glance.
• Open Settings to change the currency symbol, date format, or toggle the check number column.
• Click Export CSV to download all transactions as a spreadsheet-compatible file. Use Import CSV to load transactions from a previously exported file. The expected CSV columns are Date, Description, Type, Check Number, and Amount.
• Click Reset to clear all transactions and restore the starting balance to zero. All saved data in the browser is also removed, returning the register to a blank state.
• All inputs persist automatically between sessions. Closing the browser and returning later restores the full transaction list, starting balance, and settings exactly as they were left.

Maintaining an accurate transaction register prevents overdraft fees and gives a clear picture of spending patterns over any period. The running balance updates with every entry, making discrepancies between expected and actual balances visible immediately.

• Personal Banking: Record every check written, ATM withdrawal, and direct deposit throughout the month. Compare the running balance against a bank statement to catch unauthorized charges or missed entries before they cause overdrafts.
• Small Business: Log vendor payments, customer deposits, and petty cash withdrawals in a single register. Export the ledger as a CSV file at the end of each quarter for import into accounting software or for tax preparation records.
• Household Budgeting: Track shared expenses between household members by entering rent, utility payments, and grocery purchases. Review the ledger to identify which categories consume the largest portion of income each pay period.
• Education: Teach students fundamental bookkeeping by entering sample transactions and observing how deposits increase and withdrawals decrease a running balance. Import pre-built CSV files with exercise data for classroom activities.
• Freelance Income Tracking: Record client payments as deposits and business expenses as withdrawals. Maintain a running total to know available funds at any point without logging into a bank portal.
• Event Planning: Enter vendor deposits, venue payments, and sponsor contributions for an event budget. Monitor the balance to ensure spending stays within the allocated funds as commitments are made.
• Reconciliation: Compare the running ledger total against a monthly bank statement line by line. Discrepancies between recorded transactions and posted amounts surface immediately when the running balance diverges from the statement balance, narrowing the search to specific entries.