Tech Assistant for Blind user guide

Accessible PDF Page Resizer – Change the page size of PDF as per your need!

By Administrator · Sunday, July 5 2026

Have you ever needed to print, submit, or use a PDF at a specific page size? Many times the content of PDF is correct, but its page size is not as per your requirement. In such a situation, most of the PDF management tools available on the internet do not work properly with screen readers, making it challenging for Blind Users to resize PDF. An easy and completely accessible solution to this problem is the Resize PDF feature of Tech Assistant for Blind Application. This feature is fully compatible with screen readers like TalkBack. With its help, you can change the page size of your PDF as per your need. Whether you need A4, A3, A5, US Letter or Custom Size, this feature makes the entire process simple and convenient.

Key Features

  • Multiple Page Sizes: In this feature you can choose A4, A3, A5, US Letter or Custom Page Size as per your need.
  • Offline Processing: In this feature, the entire process of resizing PDF happens on your device itself. Therefore, you do not need internet to resize PDF.
  • Uniform Scaling: When the page size is changed, the content of the PDF is arranged evenly according to the new size, due to which its layout remains balanced.
  • 100% TalkBack Compatible: All important Buttons, Options and Controls are easily read by TalkBack, so you can use the full feature with confidence.
  • Custom File Name: Before resizing, you can name the new PDF as per your choice.
  • Ready to Use: After the resize is complete, you can Download, Share or open the new PDF in PDF OCR. ##How to Use (How to Use Resize PDF)

Step 1: Access the Resize PDF feature.

First of all open Tech Assistant for Blind Application. After this go to PDF Manipulation Toolbox. Now double tap on Resize PDF Button found under .TRANSFORM heading, where "Change page dimensions — A4, Letter, custom" will be written.

Step 2: Select PDF and Set Page Size

Select your PDF by double tapping on Pick a PDF Button. If you want to select another PDF, use Change PDF Button. After this the PDF information will appear. Now select the Page Size as per your requirement from the available options A4 (210×297mm), A3 (297×420mm), A5 (148×210mm), US Letter (216×279mm) or Custom (points).

Step 3: Resize

If desired, type the name of the new PDF in the Edit Box of Output File Name. After this, double tap on the Resize PDF to A4 (210×297mm) or Button that appears as per the Page Size selected by you. Double tap on Download in the Pop-up that appears after the resize is complete. After this your PDF will be saved in the File Manager/Internal Storage/Download/tech-assistant/pdf-resizer folder of your phone. If you want, you can share the PDF with Share option. You can start reading PDF by double tapping on PDF OCR, but internet connection will be required to read PDF from PDF OCR. If you have to prepare PDF in different page sizes, then Resize PDF feature will prove to be very useful for you. With its help, you can change the page size of PDF as per your requirement and complete the entire process easily with TalkBack. Tech Assistant for Blind Application includes not only this, but many fully accessible PDF tools that make your everyday work faster, easier and more convenient. Then what are you waiting for? Download Tech Assistant for Blind Application today and manage your PDF Documents in a smart, accessible and self-reliant way.