發票計數器
產生循序發票編號並追蹤發票總額。非常適合需要簡單發票編號管理的自由工作者和小型企業。
New Invoice
Invoices
No invoices yet
儀表板
使用方式
設定前綴
輸入您偏好的發票前綴（如 INV、REC）和起始編號。
產生發票
輸入金額和選填的客戶名稱，然後點擊「產生發票」。發票編號會自動遞增。
追蹤付款
收到付款後將發票標記為已付。可按狀態篩選檢視未結發票。
關於此工具
產生循序發票編號並追蹤發票總額。非常適合需要簡單發票編號管理的自由工作者和小型企業。
Generate sequential invoice numbers with a configurable prefix, track amounts and payment status, and see your invoicing totals at a glance. Mark invoices as paid or unpaid and filter your list to stay organized.
All data is stored locally in your browser and never uploaded to any server. No registration required.
Sequential Numbering
Invoice numbers auto-increment from your chosen starting point, so you never skip or duplicate a number.
Custom Prefixes
Set any prefix such as INV, BILL, or REC to match your existing invoicing convention.
Amount & Payment Tracking
Log amounts for each invoice and toggle between paid and unpaid status to keep your books current.
瞭解更多
Freelance Invoicing — Generate consistent invoice numbers for client work and track which invoices are still outstanding.
Small Business Billing — Maintain a clear numbering sequence across all your invoices with totals and averages on the dashboard.
Payment Tracking — Mark invoices as paid or unpaid and filter the list to see exactly what is still owed.