發票產生器

How to use

1. Fill in your company name, client name, invoice number, and due date.
2. Add line items with description, quantity, and unit rate.
3. Set a tax percentage if needed, then print or save as PDF.

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常見問題

Is this tool free?

Yes, completely free with no signup required.

Does my data leave my device?

No. All invoice data stays in your browser — nothing is sent to a server.

Does it work on mobile?

Yes. The tool is mobile-first and works on any modern browser.