How to Sign a PDF on Andriod

Stop printing to sign a document

What to Know

  • Go to the Google Play Store. Download and install the free Adobe Acrobat Reader app for Android.
  • Tap the PDF you want to sign. When prompted for the app you want to open the file, choose Adobe Reader.
  • Tap the signature area of the PDF. Select Signature > Edit > Fountain pen. Create a signature and tap the check mark to add it to the PDF.

This article explains how to sign a PDF on an Android device using the Adobe Acrobat Reader app for Android. This information applies to Android 4.0 and above.

How to Sign a PDF on Android

Signing a PDF can be frustrating if you have to print it, sign it, scan it, then email or fax it. What if you could easily sign the PDF on Android without ever printing it? You can, and here's how. You don’t have to be near an office or even office equipment to sign your PDF.

  1. Download and install the free Adobe Acrobat Reader app for Android from the Google Play Store.

  2. Once you have the app on your Android device, open the PDF file you'd like to sign. You'll receive a prompt asking you to choose which app to open it with it. Choose Adobe Reader.

    If you're having difficulty finding your PDF file. Adobe Reader has a document viewer. You can find it on the left-hand side in the slide-out navigation menu. Adobe Reader will scan your storage to look for any PDFs, which will appear in the slide-out navigation menu.

  3. Once the PDF opens in Adobe Reader, look for the areas where you'd like to add your signature. Tap the area you want to sign, and a menu will appear at the top of the screen. Tap Signature.

    Install Adobe Acrobat Reader, PDF to sign, Signature menu option

    On Samsung phones, tap the pencil icon in the lower right corner, then tap Fill & Sign from the menu that appears.

  4. Tap the Edit icon (it looks like a pen in front of a speech bubble). It will lead you onto a different menu from which you can type letters, doodle, fill out forms, and so on.

  5. When you’re ready to sign, tap the fountain pen icon to enable signing on the document

  6. Once signing is enabled, tap the area of the document where you'd like to add your signature. If this is your first time signing a PDF, you'll need to create a signature. The app will automatically take you to a different screen where you can create a signature. Use your finger or stylus to sign on the screen.

  7. Once you’re done creating your signature, tap the check mark and your signature is automatically added to the document.

    signature screenshot
    Screenshot of a Michael Jordan signature.
  8. If you don’t like the positioning of the signature, it is easy to change it. Tap the signature to select it, then use the newly displayed box to move the signature to a new position, resize the signature, change its color, thickness, opacity, or even delete the signature if you don’t want it.

    Add or Edit Signature menu, signature on PDF, Signature options
  9. Once you’re satisfied with the state and positioning of your signature, tap the Back icon to go back to the previous menu.

  10. Tap the Menu icon, then tap Share. You can then send your signed PDF using email or whichever service you choose.

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