How To Digitally Sign a PDF [4 Free Methods Recommended]

Last updated on December 5, 2023

Summary :

In today’s digital era, PDFs feature digital signatures that verify sender authenticity and document integrity. Here introduced 4 ways to digitally sign a PDF for free.

Table of Contents

How To Digitally Sign a PDF

How To Digitally Sign a PDF

In this new era, printers and scanners are no longer essential. Wondering how to verify documents without paper signatures? Opt for digital signatures on PDFs instead of printing, signing by hand, and scanning. Embrace this efficient method to enhance your work process.

Here’s how to digitally sign PDFs for free and bid farewell to printer ink expenses.

Digitally Sign a PDF Free with PDFgear

If there has to be one tool for digital signature on PDFs, you don’t want to miss PDFgear for it is completely free and functional. It allows you to create your unique signature in seconds and save it for your use in the future.

Simple steps ease your mind from your demanding workload for the moment. Clear and friendly UI will also impress you. Here are the steps:

You can sign in PDF through PDFgear Online Editor, but completing signatures on the offline version of PDFgear will be more convenient and unrestricted.

PDFgear – Free Sign PDF Documents

PDFgear is a free and secure tool for digitally signing PDFs on Windows, Mac, and iOS, with no data or privacy loss. It can be your top option to edit or sign PDFs.

Step 1. Open a PDF with PDFgear

Download PDFgear and install it on your device > Right-click the PDF file > Click Open with > Choose PDFgear to open the file.

Or you can set PDFgear as the default PDF viewer on your device and double-click it to open with PDFgear.

Open the file with PDFgear

Open the File with PDFgear

Step 2. Locate the “Edit” Tool in PDFgear

Click Edit in the upper ribbon > Choose the Signature button > Hit Create Signature.

Click on Signature in PDFgear

Click on Signature in PDFgear

Step 3. Create a Digital Signature on PDFgear

Here, you have three options to create and add the signature.

🔺Add Picture: Insert your signature by uploading a picture, you can choose to remove the background of the image.

🔺Type Text: Click the Type option and input your name to create a signature. You have the flexibility to personalize the signature’s font from a collection of more than 100 styles.

🔺Write Signature: Use the mouse to sketch your name. You also have the option to adjust the font size.

Create a Signature in the Window through PDFgear

Create a Signature in the Window through PDFgear

Step 4. Resize Digital Signature on PDFgear

Once you add the signature to the PDF, you can resize and reposition it as needed until it fits perfectly.

Click on the signature you added, and three options appear:

📣Flatten: The signature will be fixed at this location and cannot be moved or changed.

📣Delete: Remove this signature. But it still saves in the signature library.

📣Place on Multiple Pages: Automatically copy and paste the signature to the other pages in this PDF.

You can delete and flatten the signatures in batch in the PDFgear.
Resize and Reposition Your Signature on PDFgear

Resize and Reposition Your Signature on PDFgear


Furthermore, PDFgear supports filling in or creating a fillable PDF form both online and offline.

Upload your PDF to PDFgear online editor > Click Add and Edit Form Field > Fill in a PDF form with the features on PDFgear including add fillable textbox, password, checkbox, radio button, drop-down menu, list box, and signature.

Features Offered by PDFgear to Fill Form Online

Features Offered by PDFgear to Fill Form Online

Digitally Sign a PDF with Adobe Acrobat Reader

Adobe Acrobat Reader, a popular PDF editing tool, provides a lot of functions. In terms of digital signature, it never lets you down.

It enables you to sign PDFs and include that signature in the file, offering the highest level of confidence regarding the identity of each signer and the legitimacy of the papers they sign.

The huge bummer here is that you have to pay for it if you want to get some advanced features like requesting E-signatures.

Step 1. Open the file you need to sign on with Adobe Acrobat Reader > Select “Fill & Sign” from the toolbar on the right side of the window.

Open Your File with Adobe Acrobat Reader

Open Your File with Adobe Acrobat Reader

Step 2. Click “Sign” > Choose “Add Signature” if there is no previous signature you saved within Adobe Acrobat Reader.

Add Signature in Adobe Acrobat Reader

Add Signature in Adobe Acrobat Reader

Step 3. You can create your signature in one of the three ways. Just choose the most handy way of signing.

Notice that you can choose “Save signature” from the left corner for future use.

Sign with Images in Adobe Acrobat Reader

Sign with Images in Adobe Acrobat Reader

Step 4. Place your digital signature in the appropriate location and adjust its size. Then you get your perfect digital signature without much effort.

Place and Adjust Signature through Adobe Acrobat Reader

Place and Adjust Signature through Adobe Acrobat Reader

Digitally Sign a PDF with Preview on Mac

Preview is a convenient tool for reading a variety of file types. It is offered for Mac users and it helps a lot when it comes to signing a PDF on Mac. Some people believe that Preview has limited capabilities, but dealing with digital signatures is not a challenging task for it.

Check out the details here.

Step 1. Open your file to be signed with Preview > Click the arrows on the upper-right to see more tools.

Open Your File with Preview

Open Your File with Preview

Step 2. Click the Signature icon.

Click the Signature Icon on Preview

Click the Signature Icon on Preview

Step 3. Here pops out a window offering three ways of signing: through trackpad, camera, or iPad. You can pick the one that is available for you.

Create Your Signature in Preview

Create Your Signature in Preview

Step 4. When you are done with signing, you are ready to create your digital signature. You can relocate it anywhere in your file.

Relocate Signature in Preview

Relocate Signature in Preview

Digitally Sign a PDF Online

If you do not want to download any software or application on your device. An online PDF tool for signing is a nice choice. PDFgear Online Editor can do it well. It is a professional PDF-related process tool without a subscription or watermark, you don’t even need to register an account.

Furthermore, you can digitally sign a PDF across iPhone, iPad, Android, Windows, and Mac with PDFgear Online Editor.

Step 1. Upload a PDF to PDFgear

Access to PDFgear Online Editor and drop a PDF to the designed area to upload.

Select a PDF to Upload

Select a PDF to Upload

Step 2. Three Options to Sign Digitally

Navigate to Add or Edit annotations, find the Signature button, and choose ADD SIGNATURE. Three options are available: type with the keyboard, draw with the mouse or upload a signature image.

Digitally Sign a PDF Online

Digitally Sign a PDF Online


How Do I Digitally Sign a PDF for Free?

Download PDFgear and follow simple steps. PDFgear is all free for users no matter how you want to edit your files. To sign a file with PDFgear, you just need to, first download PDFgear, open your file with PDFgear, then click on the signature button, create your signature, and relocate it.

What Tool Can I Use to Sign a PDF Free?

There are various tools for adding free digital signatures in PDFs, such as PDFgear, Adobe Acrobat Reader, Preview, and so on. Most of these tools are very simple and convenient to use. You can finish your PDF signing session in two or three minutes.

How Do I Sign a PDF on My Phone?

If you don’t want to install any applications and want to save time, the PDFgear Online Editor will be an idea. It’s running stably and totally free to use. On top of that, E-sign is easy to do with PDFgear Online Editor on your Mobile Phones.


We always face the problem of signing a PDF in the office. If we want to simplify your workflow and boost your work efficiency, it’s never a loss to spend some time figuring out the most functional and convenient tool for digital signatures.

After reading this post, if you are looking for a free and professional one to help you complete your electronic signature in PDF, then PDFgear would be a great recommendation.

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