How to Blur a PDF Using 3 Effortless Methods

Sometimes, there is that piece of information or manual typing in PDF files that needs to be hidden in order to keep the privacy of the reader or needs hiding of some details before sending out.

This article will show you the way to make PDF blurs, by using a variety of free and paid software tools.

How to Blur a PDF on Mac for Free

One of the easiest ways to blur a PDF for free on your Mac is with the redaction tool in PDFgear, which allows you to hide or darken content in PDF. It also offers other practical features such as converting PDF to Excel.

This way has an outstanding advantage in that it provides an entire zero-cost way for making the document secure; Therefore, it is an open option for any person or any business that may wish to secure the documents without the instance of added expenses.

Here’s how to accomplish this:

Step 1: Download PDFgear from the official website. Open your PDF with PDFgear and choose the file you wish to blur.

Step 2-3: As you opened the PDF, click “Protect” and choose the redaction tool from the toolbar.

Step 4: Before you use the redaction tool, a prompt will appear indicating that once you apply the redaction tool, you will not be able to retrieve the content.

Step 5: Select the text or area you wish to blur, apply the redaction, which will obscure the selected information.

Step 6: But in PDFgear, you can still view the hidden contents as you hovering the mouse.

Additional Tips:

• Consider integrating steps with these drawing tools and highlighting images as shown in this example.
• Ensure to save your document after redaction to maintain changes.

How to Blur PDF in Adobe Acrobat

The best use of blurring PDFs with Adobe Acrobat Pro DC is put to use in a professional setting, where handling documents dictates utmost accuracy.

Redaction in Adobe Acrobat is one of the most useful tools for obscuring text and images with exactitude while hiding confidential data from unauthorized viewers, such as personal details, financial information, or company secrets. Here’s how to accomplish this:

Step 1: Download Adobe Acrobat for free trial from the official website. Open your PDF in Adobe Acrobat Pro DC and clicking the “Redact a PDF”.

Step 2-3: Select the desired text or area.

Step 4: Set properties to add a colored overlay instead of a full black-out redaction, mimicking a blur effect.

This method does not remove the text; it only visually obscures it.

Using LibreOffice to Blur a PDF

LibreOffice offers a free and open-source solution for basic PDF edits. It is ideal for users looking for a non-commercial tool with flexible editing options. Typically, LibreOffice does not include a built-in blur effect.

However, you can effectively obscure text by overlaying a shape. It’s an ideal choice for tasks that require basic privacy measures without the need for professional-grade security features. Here’s how to accomplish this:

Step 1: Download and install LibreOffice from the official website. Open LibreOffice Draw and load your PDF.

Step 2: Click the shape icon at the toolbar or the sidebar to use drawing tools to overlay shapes on the content you wish to blur.

Step 3: Choose a shape you like from the sidebar.

Step 4: Adjust the shape’s size, color, and transparency to create the blur effect.

Optionally, you can add a pixelation effect by importing a pixelated image and inserting it over the target area.

FAQs

Can I selectively blur only certain parts of a PDF?

Yes, most PDF editing tools that offer a blur feature like PDFgear and Adobe Acrobat allow you to select the areas you want to blur while leaving the rest of the document unaffected.

How do I ensure the blurred parts of a PDF cannot be read by others?

To ensure the blurred parts cannot be recovered or read by others, you should use a reliable PDF editor to apply a permanent blur. Additionally, flattening the PDF after applying the blur can help prevent the blurred information from being retrievable.

After blurring a PDF, can the blur be removed?

If the PDF is saved with the blur effect permanently applied, it cannot be removed. To maintain the ability to remove the blur, you should keep an editable copy of the PDF or apply the blur in a non-destructive way if the software allows it.

Does blurring a PDF reduce its file size?

Blurring parts of a PDF does not typically reduce file size and may sometimes increase it, especially if the blur is applied as an additional layer. The file size is more directly affected by the overall resolution and content of the PDF.

Conclusion

There can be several ways of blurring a PDF, each depending on the need to blur, necessity, and resources. Whether it’s LibreOffice, professional applications like Adobe Acrobat, or free tools like PDFgear, the methods described above will all help in effectively blurring out sensitive information from your documents.