How do I redact a PDF in Windows for free?

How do I redact a PDF in Windows for free?

PDF files are commonly used when sharing documents with colleagues or friends. Companies often use PDF files to share textual data, such as reports, agreements, research, etc. Considering sensitive and private information that others can find in the PDF document, before sharing a PDF file, you may need to check the document for sensitive content or to trace your private information. So this time, you should redact PDF to hide the information.

Redaction is a form of editing. The “Redact PDF” tool allows you to hide sensitive information and maintain the format of the document. It can be used to cover private information such as social security numbers, competition information, and even some private images. When you redacted the file, the formatting elements will remain the same, and the classification information appears as a black box. Now, let’s start to learn how to redact the PDF for free.

1. SwifDoo PDF

SwifDoo PDF is a multi-functional PDF tool for performing all kinds of operations on PDF documents.

Step 1. Access their website, download, and install SwifDoo PDF on your computer.

Step 2. Select a PDF file that you want to redact by uploading it from your computer, or through a cloud storing services such as Google Drive or Dropbox.

Step 3. Then you can see an edit button. Click the “Create” option.

Step 4. Hold down the left mouse button and drag the cursor to select the area you would like to redact. The area that will be redacted will be outlined in red. This area is marked for redaction. Once applied, you cannot resize it or change it. If an error was made, delete the marked area and reapply it. If you want to remove the redacted texts, click the “Edit” button on the toolbar. Right-click on the area marked for redaction then choose “Remove”.

Step 5. When you finished redaction, click the “save” button. Once saved, you cannot resize it or change it.

Step 6. Click the “save as” button to save your file.

Using SwifDoo PDF, you can very easily create, edit, read and share PDF documents. In addition to this, it also enables you to convert PDF files to popular document and image formats like Word, Excel, PPT, JPG, PNG, TIFF, and BMP.

If you are thinking that is all, you are wrong. You can do much more with SwifDoo PDF. It also allows you to create and insert e-signature into various PDF documents. You can also do other basic and advanced PDF operations with the help of SwifDoo PDF.

2. Soda PDF

Soda PDF is built to help you power through any PDF task. It creates PDFs from 300+ file formats. Convert to an array of file types, edit the content of your documents, create custom forms, and annotate your files are all supported in this online platform.

3. Smallpdf

Smallpdf is another online platform that can help you redact PDF directly. The simplified interface was designed to make it easy for anyone to edit documents. Aside from adding text, you can modify your PDF further by adding various shapes and drawings.


We’ve listed 3 solutions for how to redact PDF. Each solution is practical and you can choose the one you like.


Hi, I'm Raj Hirvate & I am a Tech Blogger from India. I like to post about technology, gadgets, How-to, Errors and product reviews to the readers of my website. Apart from blogging i'm a big Anime fan I Love Watching Naruto, Jujutsu Kaisen, One piece, Death Note and any upcoming animes.

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