Sign PDF

It’s never been so easy to add a signature to a PDF! With PDFinity’s Sign PDF tool, you can save the hassle of printing the document and signing by hand.

It’s especially useful if you need to send the signed document electronically.

Find out how to electronically sign a PDF using our platform below.

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Add your own signature to any PDF file with our dynamic signing tool. It perfectly fits your needs by allowing different signing methods, including handwriting, typing, and uploading an image of the signature.

How to Sign a PDF

Trying to find out how to add a signature to a PDF without printing it? Do it right here online in these 4 easy steps:

  • 1

    Import your file

    Click the upload button or drag and drop your file into our platform

  • 2

    Click “Sign”

    Hit the button to open the Signature Wizard

  • 3

    Sign the document

    Upload an image of your signature or draw your signature directly on the PDF

  • 4

    Save it

    Download your signed document

Why Choose PDFinity to Add a Signature to PDF?

  • online-pdf-sign

    Add signature to PDF online

    It’s much quicker and easier to electronically sign a PDF than to print it, sign it by hand, and rescan it. Use our site to open your PDF and add your signature with 0 hassle.
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    Sign PDFs instantly

    It couldn’t be faster to add your signature to your document. The PDFinity platform is designed for speed and convenience. Upload and sign your PDF in seconds.
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    Sign documents on your phone

    All the tools on our site work on all devices and operating systems. This means you can digitally sign a PDF from your smartphone wherever you are.
  • share-icon

    Share signed documents easily

    Share PDFs with your signature directly from our platform! Make your whole workflow easier by signing, sharing, and allowing others to make their own changes and annotations.
  • not-icon

    No download required

    Who needs a program to add a signature? A big plus of using our platform is that you can sign a PDF online, without having to download or install any software.
  • secure-icon

    Trusted tool to sign PDFs

    If you’re looking for how to add a signature to a PDF, you couldn’t have come to a better place. We’re regarded as one of the most convenient, user-friendly, and secure platforms available.
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Frequently Asked Questions about Signing PDFs

Is it secure to sign a PDF online?

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It’s certainly secure to sign your documents through our website. Our security measures ensure the privacy of your files and data.

We encrypt all the files you upload to make sure that only you can read them. After you’ve finished with your signed PDF, we delete it from our servers.

Can I sign a PDF on my mobile device?

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No problem! You can use our Sign PDF tool to add your signature to a document on any device, including smartphones and tablets. This lets you sign PDFs at any time, wherever you are.

Whether you’re using Android or iPhone, you can sign your PDF documents on your phone, or any other device.

Can I modify my signatures within the PDF editor?

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You can use our editing tools to rotate and adjust your signature once you’ve added it to your PDF.

You can also delete your signature if you’re unhappy with it.

Then, you can either upload a new file or draw your signature directly on the PDF. With PDFinty, you can edit and sign PDFs online in a straightforward process.

How to add a digital signature to PDF on different browsers?

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You can fill and sign PDFs on any browser here on the PDFinity site.

Our platform is supported by all browsers, including Chrome, Safari, Firefox, Opera, and more.

Whichever browser you prefer, feel free to use our Sign PDF tool to make signing documents easy.

How to sign a PDF on iPhone

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You can sign PDF documents on your iPhone using our website. You can use our platform and editing tools on any smartphone, including iPhone.

With PDFinity, signing documents is possible on any iPhone, regardless of operating system.