Invoice ToolkitPDF billing tools

Invoice generator

Invoice Generator with PO Number

Create a free invoice with a purchase order number, buyer department, project reference, and clear line items for corporate accounts payable review.

97

Ready to send

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Invoice

Autosaved

Import from spreadsheet

Upload a file or paste copied rows. We guess column names first, then you can map anything we missed.

.csv, .xlsx, .xls

Document basics

Number, dates, currency, terms

Business and client

Sender and buyer details

Line items

2 items

Totals and payment

Tax, discount, shipping, instructions

Tax

Shipping

Discount

Subtotal$2,370.00
Total$2,370.00
$2,370.00Ready to send

Save as PDF opens your browser print dialog — quality matches the preview. Draft saved locally.

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Help accounts payable match the invoice

Use this invoice generator when a client requires a purchase order before approving payment. The starter example puts the PO number, buyer contact, approved services, and payment reference into a format that is easier for a finance team to review.

Match the purchase order exactly

Copy the PO number, buyer company, billing entity, department, project code, and approved wording from the client’s purchase order or vendor portal. A small mismatch can delay approval even when the work is complete.

Keep ordinary invoice fields visible

A PO number does not replace the invoice number, issue date, due date, currency, line items, total due, or payment instructions. Keep each field clear so the buyer and accounts payable team can reconcile the document.

Continue the invoice workflow

Review the finished document with the invoice checker, then use the payment reminder generator if the invoice becomes overdue.

FAQ

Where should the PO number appear on an invoice?

Put the PO number near the invoice number and client details, and repeat it in the notes or payment reference if the client’s AP process requires that.

Can I create an invoice without a PO number?

Yes, if the client does not require one. For clients that use purchase orders, confirm the required number and billing entity before sending the invoice.

Does a PO number guarantee payment?

No. A PO number helps match an invoice to an approved purchase, but payment still depends on the client’s contract, delivery, approval, and payment process.