Sign a PDF online without printing, scanning, or starting over.

How to sign a PDF online with ZamaSign

1. Upload the PDF. Open the document in the browser and preview each page before placing anything.
2. Add your signature. Draw a signature or upload the exact signature image you want to use.
3. Place business details. Insert fields like business name, email, date, and P.O Box where the document needs them.
4. Stamp and export. Add a company stamp if needed, then export the final signed PDF or share it for another signer.

Why businesses use online PDF signing

For many teams, the real bottleneck is not only the signature itself. It is the back-and-forth around document finishing: adding a company seal, updating the date, placing sender details, and getting another approver to complete their section. ZamaSign is built around that full finishing flow, not just a single signature box.

This matters when you need business documents to look ready for sending the same day. Instead of downloading, editing in another tool, and re-uploading again, you can complete the entire workflow in one place.

Best document types for this workflow

• Invoices that need a signature and business stamp before sending.
• Quotations and proposals that need the date, company details, and a final sign-off.
• Approval letters that need one signer to prepare the file and another to complete it later.
• Internal business forms where typed fields must sit exactly in the right place.

Frequently asked questions