PDF Editing Issues

How to Select and Extract Text from a Converted PDF

Camila Milosovich Oct 19, 2026 869 views

Question details

The user wants to select and copy text from a PDF document that was converted from PowerPoint slides.

How to Select and Extract Text from a Converted PDF

Product: PDF Editor / Adobe Acrobat
Device & OS: not provided
Scenario: Attempting to copy text from a PDF to paste into notes, but finding the text unselectable.
Observed behavior: The text in the PDF cannot be highlighted or selected with standard cursor tools, usually because the converted content is rendered as an image instead of text.

Before you start

Ensure you have a PDF editor installed that supports OCR (Optical Character Recognition) functionality, as standard basic PDF readers may not be able to process image-based text.

Solution 1Recommended

Use the Scan & OCR Tool in Adobe Acrobat

Apply Adobe Acrobat's built-in OCR feature to convert image-based PDF pages into selectable, editable text.

When a PowerPoint presentation is saved or printed to PDF as images, the resulting document does not contain actual text layers. Optical Character Recognition (OCR) scans these images and translates the visual shapes into machine-encoded text.

Open the PDF document

Launch Adobe Acrobat and open the converted PDF file that contains the unselectable text.

Attempt standard selection

Select the 'Select tool' (arrow icon) from the top toolbar and try dragging it over the text. If the text highlights, you can right-click and copy it. If it doesn't, proceed to the OCR step.

Access the Scan & OCR tool

Navigate to the 'Tools' menu at the top left of the window and select the 'Scan & OCR' tool from the available options.

Run text recognition

Click on 'Recognize Text' in the secondary toolbar and choose 'In This File'. Click the blue 'Recognize Text' button to start the process.

Copy the extracted text

Once the OCR process is complete, use the Select tool again to highlight the newly generated text. Press Ctrl+C (Windows) or Cmd+C (Mac) to copy it, and paste it into your notes.

Check Source Files: If the OCR process fails or produces inaccurate characters, verify the resolution of the original file. Blurry or low-resolution slides can significantly reduce OCR accuracy.

Easily Extract Text from PDFs

Use WPS Office to Extract Text from PDFs Quickly

WPS Office features a powerful built-in PDF toolkit with advanced OCR capabilities, allowing you to easily select, extract, and copy text from image-based or converted PDFs without needing expensive software.

1. Open the PDF in WPS Office: Launch WPS Office and open your converted PDF document.
2. Navigate to OCR tools: Click on the 'Tools' tab located on the top ribbon menu.
3. Start text recognition: Click the 'OCR' or 'Picture to Text' button to initiate the text recognition process on your current page or entire document.
4. Choose extraction format: Select whether you want to extract the content as plain text or export it directly into a Word document, then click 'Start'.
5. Copy to your notes: Once extracted, simply highlight the text, copy it, and paste it directly into your preferred note-taking application.

Highly accurate OCR technology to quickly recognize text from image-based PDFs.Seamless conversion between PDF, Word, Excel, and PowerPoint formats.Fully compatible with standard PDF files and Microsoft Office document formats.Lightweight, fast, and completely free to download for daily office tasks.

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Frequently Asked Questions

Why can't I select text in my converted PDF?

If you cannot select text, the PDF was likely saved as an image during the conversion process from PowerPoint, or it is a scanned document. You must perform Optical Character Recognition (OCR) to convert the image pixels into selectable text.

Can I extract text from a PDF without Adobe Acrobat?

Yes, many PDF editors like WPS Office offer built-in OCR and 'PDF to Word' features that allow you to extract text effortlessly without needing Adobe Acrobat.

Does converting PowerPoint to PDF always make text unselectable?

No, if you save a standard PowerPoint presentation as a PDF using the native 'Save As' or 'Export' function, the text usually remains selectable. It only becomes unselectable if the slides were exported as image files first or if specific security restrictions were applied.

How can I improve the accuracy of OCR when extracting text?

Ensure the source document has a high resolution (ideally 300 DPI or higher) and clear contrast. Blurry text, heavy background graphics, and extremely small or stylized fonts can reduce OCR accuracy.

PDF Troubleshooting