How to Edit PDF Files On a Tablet or Smartphone?

You have two main options to write a PDF on a tablet or smartphone: an integrated or third-party application. Each method has advantages and depends on your needs for annotating and editing PDF files.

Here is a comprehensive guide to help you choose the best option and understand how to proceed.

Use an integrated app

Google Drive

Google Drive is a convenient, integrated solution for annotating PDF files on Android devices. Here are the steps to follow:

  1. Open the Google Drive app on your Android device.
  2. Select the PDF file you want to annotate.
  3. Tap the “Annotate” icon (a pen) to open the annotation toolbar.
  4. Use your finger or a stylus to highlight, add text, draw freehand, and more.
  5. Changes will be saved automatically.


For iOS users, the Notes app also makes it easy to annotate PDFs:

  1. Open the Notes app on your iPhone or iPad.
  2. Tap the “+” icon and select “Import File”.
  3. Choose the PDF file and press “Import”.
  4. Once the PDF is open, tap the “Pen” icon to start writing or drawing.
  5. Changes will be saved automatically.

Use a third-party app

Adobe Acrobat Reader

Adobe Acrobat Reader is a free application available on Android and iOS that offers a wide range of features for annotating PDFs. Here’s how to use it:

  • Download and install Adobe Acrobat Reader from the Play Store or App Store.
  • Open the app and select the PDF file you want to annotate.
  • Use the annotation tools to highlight, add text, freehand, insert stamps, and more.
  • Paid features offer advanced options like complete PDF editing and digital signing.

Xodo PDF Reader & Editor

Xodo PDF Reader & Editor is another free app available on Android and iOS, offering similar functionality to Adobe Acrobat Reader with a few additional options:

  • Download and install Xodo PDF Reader & Editor from the Play Store or App Store.
  • Open the app and select the PDF file you want to edit.
  • Use the available tools to fill out and sign PDF forms, convert PDFs to other formats, and more.

Choosing the best option for you

The best application for annotating PDFs on a tablet or smartphone depends on several factors:

  • PDF support: Make sure the app can open and edit the type of PDF file you need.
  • Annotation features: Determine which annotation features you need, such as highlighting, adding text, freehand drawing, and more.
  • User interface: Choose an app with an interface that you find intuitive and easy to use.

Prices: Some apps are free, while others offer in-app purchases or subscriptions.


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