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Exploring the Methods to Blur Text Using UPDF

We often deal with PDF files containing sensitive information that cannot be shared unless the sensitive data is removed from the file. While trying to remove the data, deleting text is a time-consuming process that could result in the removal of other information. The best method that comes to mind is blurring out the confidential information to hide it.

This function can be carried out by a high-end PDF editing tool that offers blurring options. UPDF is among the top-notch PDF editors that simplify the text blurring procedure. This article is a detailed guide on how to blur text in PDF files using UPDF.

Part 1. 2 Methods to Blur Text in a PDF

As discussed, UPDF is one of the platforms that offers the utility to blur out text in a PDF document. The tool offers two convenient methods to hide or smudge the written text in a PDF file. With the help of this PDF manager, select any text and apply the blur effect to it. Additionally, users can utilize the redact functionality to make the text content within the document unreadable.

Some Coherent Features of UPDF

  1. With the help of UPDF, users can select specific text or entire pages for redaction to blur text in PDF.
  2. You can blur/redact content across your PDF using the search feature within UPDF.
  3. Using the properties of the redacted text, you can overlay text with redaction codes to blur out the content.
  4. For blurring out complete pages within a PDF, use the page range option to quickly protect the text within your PDF.

If you are looking for an extensive solution to conceal sensitive information in a PDF file to prevent unauthorized access, download UPDF now.

Method 1. Using the Redaction Feature

One of the top techniques to hide the important text within a PDF document is using UPDF's redaction feature. Using this tool, users can select a specific part of the text or an entire page to blur out. Moreover, if you are unsatisfied with the selection made, you can delete the redaction with only a single click. Below are the steps to apply redaction on your document for blurring text:

Step 1. Import Your PDF Document

To start the PDF redaction, launch the UPDF tool on your device and add your document using the "Open Files" option.

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Step 2. Select and Apply Redaction

Once the document is imported successfully, select the "Redact" icon from the left toolbar of the interface. Now, head to the top of the page, select the "Mark for Redaction" option, and drag the cursor over the area of the text that you want to blur.

proceed to mark for redaction feature

Step 3. Modify the Redaction Color

After the selection is made, click to enable a floating toolbar from which you must select the "Properties" icon. Change the color of the redaction by choosing from the options provided. Once the modification is completed, click on the "Apply" button located at the top right corner. Finally, export your redacted file to your computer device once satisfied with the results.

manage redaction properties updf

Bonus

In addition to blurring text in a PDF, UPDF is a comprehensive PDF editor with various features, including PDF-to-mind-map conversion, annotation, and more. Watch the video below to learn more. Consider upgrading to the pro version to unlock all premium features—it's currently on a big sale! >>

Method 2. Adding Black Rectangles

Providing multiple methods for text redaction, UPDF is a versatile editing platform. Apart from the redaction techniques, it offers inserting black rectangles on the undesired text within the file. The following method uncovers the ways you can blur text in PDF using this platform:

Step 1. Choose a Black Rectangle to Blur the Text

As soon as the file opens in UPDF, navigate to the left side panel and select the "Comment" option to trigger a toolbar on the top. From this toolbar, open the "Shapes" drop-down menu and select the black rectangle from the options.

add shape in updf

Step 2. Save the PDF File With Blurred Data

After selecting the shape settings, draw the shape over the text you want to hide from the document. Once the data is hidden, you can save the file to your device by accessing the "Save" option from the "File" tab.

export pdf with blurred data updf

Part 2. Can I Blur Text in a PDF By Adjusting Its Transparency?

No, you cannot blur out text in a PDF by adjusting its transparency. No PDF management tool or editor provides the utility of adjusting transparency. When you reduce a text's transparency, you decrease its opacity, eventually fading the text but still making it readable. Hence, blurring text is impossible when text transparency is adjusted.

Part 3. FAQs About How to Blur Text in a PDF

1. How do I enhance blurry text in PDF?

There are various methods for sharpening the text within a PDF document. One of the reliable methods is to apply UPDF's OCR functionality. You simply have to upload the document to UPDF's interface and access the OCR icon in the right toolbar. The tool will ask you to specify document language, resolution, and other attributes. Configure the settings and click on "Perform OCR" to enhance the blurry text within a PDF.

2. How to flatten transparency in PDF?

Besides providing the ability to blur text in a PDF, UPDF also provides the functionality of flattening transparency. While saving the document, access the "File" tab and select "Save as Others" from the expanded list. Then, opt for "Save as Flatten" to open a list of options from where you can flatten the transparencies such as watermarks, annotations, and cropped pages.

Conclusion

To conclude, text blurring is an essential step to remove unnecessary information from a PDF file. UPDF is a high-end PDF editor that offers two methods on how to blur text in PDF. Users can use the redaction technique or draw black rectangles over the text they want to hide. Therefore, download this software now if you're looking for an effective solution for managing sensitive data in your PDFs.

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