You receive a contract in your inbox. It needs your signature by end of day. The old way: print it, sign it with a pen, scan it back in, email it. That's three devices, five minutes of your life, and a sheet of paper you'll immediately throw away.
The better way takes about ten seconds, and you never leave your browser.
What "Digitally Signing" Actually Means
There are two very different things people mean when they say "sign a PDF." The first is a visual signature — your name or handwriting placed on the document as an image. This is what most people need for everyday contracts, timesheets, permission slips, and internal approvals.
The second is a cryptographic digital signature — a mathematically verified identity certificate embedded in the file. This is used for legal filings, government submissions, and regulated industries. It requires a certificate authority and specialized software like Adobe Acrobat or DocuSign.
For 95% of everyday document signing, a visual signature is all you need. That's what this guide covers.
Method 1: Draw Your Signature
Open a PDF signing tool, upload your document, and draw your signature directly on the page using your mouse or touchscreen. The tool renders your PDF as a preview, and you click exactly where the signature should go. You can resize and reposition it until it looks right.
Drawing works best on tablets and touchscreens, where you can use a finger or stylus for a natural handwriting feel. On a desktop, a mouse signature will look a bit wobbly — that's normal and universally accepted.
Method 2: Type Your Signature
If you prefer a clean, consistent look, type your name and choose a cursive-style font. The tool renders it as a text element placed directly on the PDF. This produces a professional result that's perfectly legible — no one can complain they can't read your handwriting.
Typed signatures are just as legally valid as drawn ones for most purposes. What matters is intent — that you deliberately placed your name on the document to indicate agreement.
Where to Place the Signature
Most tools let you click directly on the document to position your signature. For contracts, look for the designated signature line — usually at the bottom of the last page. For timesheets and forms, there's typically a labeled box.
If there's no designated spot, the convention is bottom-right of the last page. But honestly, place it wherever makes sense for the document. The recipient will see it.
Is It Legally Binding?
In most jurisdictions — including the US (ESIGN Act), EU (eIDAS Regulation), UK, Canada, and Australia — electronic signatures are legally equivalent to handwritten ones for the vast majority of documents. The exceptions are typically wills, certain real estate deeds, and court orders, which may still require wet-ink signatures depending on local law.
For employment contracts, NDAs, invoices, timesheets, consent forms, and general business agreements, a visual signature on a PDF is legally binding. The key legal requirement is that both parties agree to conduct business electronically — which, if someone sent you a PDF to sign, they implicitly have.
After Signing: Protect the Document
Once you've signed a PDF, consider password-protecting it before sending it back. This prevents the recipient from modifying the document after your signature is on it. It's not legally required, but it's good practice for important agreements.
If you're collecting multiple signatures — say, a contract that needs both parties — you can sign your copy, then merge the signed pages with the rest of the document before sending the final version.
Privacy: Where Does Your Signature Go?
This is worth paying attention to. Many popular signing tools (DocuSign, Adobe Sign, HelloSign) upload your document and signature to their servers. That means your signed contract — which might contain salary figures, personal details, or confidential terms — lives on a third party's infrastructure.
Browser-based tools like Peregrine PDF's signature tool process everything locally. Your PDF never leaves your device. The signature is drawn or typed in your browser, embedded into the PDF using JavaScript, and downloaded directly to your computer. No upload, no server, no third-party access.
For sensitive documents — employment contracts, financial agreements, medical forms — this distinction matters.