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How to sign a PDF document
Add your signature to a PDF without printing and scanning, so you can return signed documents quickly and cleanly.
Being asked to “print, sign, and scan” a document is one of the small frustrations of modern life — it needs a printer, a scanner, and several minutes you would rather not spend. Signing a PDF directly lets you place your signature on the page on screen and return the document in moments, with no paper involved.
This guide explains how to sign a PDF, how to place a signature well, and how to handle multi-page agreements.
Signing on screen removes the entire print-sign-scan cycle. You add your signature to the document and send it straight back, which is faster, produces a cleaner result, and works even when you have no printer or scanner to hand. The signed page looks neat rather than carrying the grey background and slight skew of a scan.
It is ideal for the everyday agreements that fill an inbox: contracts, consent forms, delivery confirmations, and approvals. Anywhere you would otherwise print something just to add your name, signing the PDF does the job directly.
To sign, you create a signature — typically by drawing it — and then place it on the page where it belongs. You position it over the signature line and size it to fit, so it sits naturally as if signed by hand. Once placed, you export the signed document.
Take a moment to get the placement right: the signature should sit on or just above the line, at a sensible size, not overlapping other text. A well-placed signature makes the document look properly executed rather than hastily marked.
Many contracts require a signature or initials on every page, not just the last one, to confirm that the signer has seen each page. For these, you place your signature or initials on each required page rather than only at the end.
Work through the document page by page so none is missed, paying attention to any page that specifically calls for a full signature versus initials. Returning an agreement with a page unsigned can mean it gets sent back, so a careful pass through every page is worth the minute it takes.
A signed document often contains sensitive commitments, so handle it with appropriate care. Review the completed document before sending to confirm the signature is placed correctly and the rest of the content is as agreed. Once you are satisfied, the signed PDF is ready to return.
If the signed document is confidential, consider protecting it with a password before sharing, especially if it contains personal or financial details. And keep your own copy of the signed version for your records — it is the evidence of what you agreed to.
Signing often fits into a larger sequence. You might fill in a form's fields, sign it, and flatten it before returning; or sign a contract, then merge it with supporting documents into a single package. Doing these steps in order produces a complete, professional submission.
For documents you sign repeatedly, having a clean signature ready to place each time makes the process quick. The aim is to make returning a signed document as fast as replying to an email — which, once you sign directly in the PDF, it effectively becomes.