How To Add Signature In Pdf In Laptop

If you’re tasked with digitally signing a PDF, you may be wondering where to start. Fortunately, there are a variety of methods available that allow you to add your signature to the document with ease.

Preview: Your Default PDF Signature Tool

Preview: Your Default PDF Signature Tool

For Mac users, Preview is the default PDF viewer and it also provides digital signature functionality. Here’s how to use it:

  1. Open your PDF in Preview
  2. Click the Markup toolbar
  3. Click the Signature drop-down and choose Create Signature
  4. Sign your name on a piece of paper and hold it up to your Mac’s camera
  5. Click Done
  6. Drag and drop your digital signature onto your PDF
  7. Save the document

DigiSigner: A Third-Party Option

DigiSigner: A Third-Party Option

If you prefer a third-party option, DigiSigner is a popular choice. With DigiSigner, you can electronically sign documents on any device through your web browser, and it even supports digital certificates. Here’s how:

  1. Upload your document to DigiSigner
  2. Click the Add Signature button
  3. Choose your preferred signing method (either draw your signature or choose an existing one)
  4. Drag and drop the signature onto your document
  5. Click Sign to finalize the process
  6. Download the signed document

Other Options: Acrobat, SignNow, and HelloSign

While Preview and DigiSigner are both great options, they’re by no means the only choices. You may also want to consider using Adobe Acrobat, SignNow, or HelloSign, each of which offers unique features and benefits.


Whether you prefer to use your Mac’s built-in Preview app, a third-party tool like DigiSigner, or another option altogether, adding a digital signature to a PDF is easier than you might think. With these methods, you can sign, secure, and share your documents with confidence.