PDF Conversion Issues

Fix Inability to Change Font Size After PDF to Word Conversion

Jason Miller Oct 23, 2026 869 views

Question details

The user is unable to adjust the font size of text in a Microsoft Word document that was recently converted from a PDF file.

Why You Cannot Change Font Size After PDF to Word Conversion and How to Fix It

Product: PDF to Word Converter
Device & OS: not provided
Scenario: Attempting to edit the formatting and adjust the text size of a converted Word document, but the font size remains completely unchanged.
Observed behavior: The font size does not change when modified in the word processor, often because the text is recognized as an image, locked in fixed text boxes, or retains strict structural formatting from the original PDF.

Before you start

Verify whether the text in your converted Word document is actually selectable text rather than an image. Click on the words to see if a typing cursor appears; if an image boundary box surrounds the entire paragraph, the text is not editable.

Solution 1Recommended

Use an OCR Converter for Image-Based PDFs

If the original PDF was a scanned document, the converted Word file might contain images of text. You must use OCR (Optical Character Recognition) to extract editable text.

Standard PDF to Word converters simply extract the exact layers of a PDF. If the PDF was created from a scanner, it contains an image layer rather than text characters, meaning the resulting Word document will also contain static images.

Identify the file type

Click on the text in your Word document. If 'Picture Format' or 'Image Tools' appears in the ribbon, your text is an image.

Use an OCR-enabled converter

Re-convert the original PDF using a PDF tool that features OCR capabilities to extract text characters from the scanned images.

Adjust the font size

Open the new OCR-converted Word document, highlight the newly editable text, and select your desired font size from the Home tab.

Use an OCR Converter for Image-Based PDFs

Pro Tip: Advanced OCR engines can detect multiple languages and retain paragraph layouts, saving you hours of manual retyping.

Solution 2

Clear Locked Formatting in Word

Sometimes, the conversion process applies strict styling rules or fixed character spacing that prevents font size changes from displaying properly.

Solution 3

Extract Text Manually from Locked Text Boxes

Complex PDF layouts are sometimes converted into Word as hundreds of small, disconnected text boxes with restricted formatting.

Seamless PDF to Word Conversion

Use WPS Office for Accurate PDF to Word Conversion

WPS Office features a robust PDF to Word converter equipped with highly accurate OCR technology. It ensures that your converted documents retain their exact layout while becoming fully editable—allowing you to freely change font sizes, styles, and paragraph formatting without dealing with locked text boxes or static images.

1. Open PDF to Word Tool: Launch WPS Office, navigate to the 'PDF' tab, and click on the 'PDF to Word' feature.
2. Add your file: Drag and drop your PDF file into the converter window and select '.docx' as the output format.
3. Enable OCR (If scanned): If your original PDF is an image or a scanned document, check the OCR option to ensure text is recognized properly.
4. Convert and edit: Click 'Convert'. Once finished, open the document in WPS Writer to easily highlight text and change the font size.

Advanced OCR technology to easily extract editable text from scanned PDFs.Highly accurate layout retention that avoids overlapping or locked text boxes.Fully compatible with Microsoft Word (.docx) formats for seamless editing.All-in-one lightweight suite for viewing, editing, and converting PDFs.

microsoft office alternative - wps office

Frequently Asked Questions

Why does my converted Word document look like a single picture?

This happens when a scanned PDF is converted without using Optical Character Recognition (OCR). The basic converter simply takes a snapshot of the PDF page and pastes it into Word. You need to use an OCR-enabled PDF converter to extract the editable text behind the image.

Can PDF security restrictions prevent formatting changes after conversion?

Yes. If the original PDF was encrypted or had editing restrictions applied by the author, some converters will export the document as locked or image-based files to comply with the protection settings. Removing the permissions password before conversion often resolves this.

How do I fix text that converted into dozens of separate text boxes?

Poor quality converters often use text boxes to replicate the visual layout of a complex PDF, making editing very frustrating. You can manually copy the text and paste it as 'Plain Text', or simply re-convert the original PDF using a higher-quality tool like WPS Office that preserves standard paragraph flow instead of using absolute positioning.

PDF Troubleshooting