How to Sign on a PDF on Android for Free

Summary :

This post provides 3 free ways to sign a PDF on Android phones and tablets, including a free PDF signing app, an online tool, and Samsung Notes for Samsung devices.

Table of Contents

Signing PDFs on your Android phone or tablet has never been easier! With just a few taps, you can add secure electronic signatures using three free methods and share your signed files through chat apps or email.

Ready to get started? Watch this video for a hands-on demo!

How to add signatures in a PDF on iPhone and iPad

How to Insert a Signature in PDFs on Android

How to Sign a PDF on Android with a Free App

PDFgear for Android is a versatile app for signing, editing, and managing PDFs. It allows you to sign PDFs by drawing with your finger, typing with various font options, adding signature images, or taking a photo of your handwritten signature.

Best of all, it’s completely free—no subscriptions or watermarks. All features in PDFgear are available at no cost.

Step 1. Download PDFgear and open it on your Android phone or Tablets.

Step 2. Tap “Files” to open your PDF, select “Edit”, hit the selectable tab at the top center, then choose “Fill & Sign” and tap “Signature.”

Find the Signature Button in PDFgear for Android

Find the Signature Button in PDFgear for Android

Step 3. Time to make your mark! Select “Create Signature” to add a new signature by drawing, typing, uploading, or taking a photo.

And tap anywhere to place and resize your signature.

Add Signature in PDF on Android with PDFgear

Add Signature in PDF on Android with PDFgear

Remember to enable “Save to Device” for future use—super handy!

Step 4. Tap “Done” to finish and save your signed PDF. If you press the return key, a pop-up will warn you to save the file.

Save the Signed PDF in PDFgear on Android

Save the Signed PDF in PDFgear on Android

Want to share your work? Tap the three dots in the top-right corner and select “Share” to send your signed PDF directly via social platforms or email. Simple and stress-free!

Share the Signed PDF in PDFgear on Android 

Share the Signed PDF in PDFgear on Android

How to Sign a PDF on Android Online for Free

The PDFgear online PDF signer is a perfect choice for those who prefer simplicity—no apps, no downloads, just your browser and an internet connection.

Add signatures effortlessly on any device, completely free, with no registration or watermarks, and lightning-fast results.

Let’s get started!

Step 1. Visit the PDFgear online signer and tap “Select PDF file” to upload the PDF you want to sign.

Open a PDF with PDFgear Online Signer

Open a PDF with PDFgear Online Signer

Step 2. Click the “Add or Edit Annotations” icon from the upper-right sidebar, then select the “Pen” icon and choose “ADD SIGNATURE”.

Locate the Add Signature Button in PDFgar Online Signer

Locate the Add Signature Button in PDFgar Online Signer

Step 3. Choose one of the three signature options:

  • DRAW: Draw your signature directly on the screen—get creative!.
  • TYPE: Type your name using the keyboard (4 fonts available).
  • UPLOAD: Tap BROWSE to upload an image of your signature.

Check “Save Signature” for future use, tap “Create”, and adjust the signature’s position and size as needed.

Insert the Signature in PDF with PDFgear Online Signer

Insert the Signature in PDF with PDFgear Online Signer

Step 4. Tap “Download” in the top-right corner to save the signed PDF.

Download and Save the Signed PDF with PDFgear Online Signer

Download and Save the Signed PDF with PDFgear Online Signer

Compared to the PDFgear Android app, the online signer supports only four fonts for typed signatures and doesn’t allow taking a real-time photo of your handwritten signature.

How to Sign a PDF on Samsung Phones Using Samsung Notes

Samsung Notes is a familiar app for Samsung users, pre-installed on most Galaxy devices. It allows you to annotate and sign PDFs directly on your Samsung phone or tablet.

Follow these steps to sign a PDF on Samsung phones:

Step 1. Open the Samsung Notes app on your phone or tablet.

Step 2. Tap the “Add PDF” icon to load the PDF you want to sign.

Select PDF File and Open in Samsung Notes

Select PDF File and Open in Samsung Notes

Step 3. Go to the page you want to sign, tap the “Pen” tool in the lower-left corner, and draw your signature using your finger or stylus. Adjust its size or position as needed.

Draw a Signature on Samsung Notes

Draw a Signature on Samsung Notes

Step 4. Tap the Three Dots at the top left, select “Save as file,” choose “PDF file,” rename the file, and save it.

Save the Signed PDF with Samsung Notes

Save the Signed PDF with Samsung Notes

Note

Signatures added with Samsung Notes are treated as annotations, which means they can be easily removed.

For better security, try PDFgear for Android. It can flatten signatures, permanently embedding them into the PDF to make them tamper-proof and secure.

FAQs

Why can’t I add my signature to a PDF?

If you cannot add your signature, it may be due to using an incompatible PDF viewer or not having the necessary permissions in the app. Ensure you’re using an app specifically designed for filling and signing PDFs and that you have opened the document in edit mode.

Can I save my signature for future use?

PDFgear for Android allows you to save your signature for future use. After creating your signature within the app, it can typically be stored and reused in subsequent documents without needing to recreate it each time.

Do I need an internet connection to sign a PDF on Android?

No, an internet connection is not required to sign a PDF when using the PDFgear Android app. Simply open your PDF in PDFgear, click Edit, select Fill & Sign, create your signature, and place it in the PDF. For detailed steps and screenshots, refer to Method 1.

Conclusion

No matter which Android phone or tablet you use, PDFgear offers a fast and free solution for signing PDFs. To ensure the security of your signature, PDFgear can flatten and embed it into the PDF, both online and offline, making it tamper-proof and difficult to remove.

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