How to redact a PDF on Windows(free and permanent)
Windows has no built-in PDF redaction tool. Microsoft Edge, the default PDF viewer, lets you draw a black box over text, but the words stay inside the file and anyone can copy them back out. To redact a PDF on Windows so the text is gone for good, use a tool that deletes the content under each box. You can do that free in your browser, with no install and no upload.
Does Windows have a built-in redaction tool?
No. There is no redaction command in File Explorer, Edge, or the Photos app. Edge can annotate a PDF with the pen or highlighter, and you can drop a filled shape on top of text, but none of that removes anything. The characters underneath are still selectable, searchable, and copyable. Someone who opens your file can drag across the black bar, copy the hidden text, and paste it into Notepad.
That is the difference that matters. A black box only covers text. Proper redaction deletes it. If you send a file where the words are merely covered, you have shared the exact information you meant to hide. This is one of the most common ways redaction gets undone.
How to redact a PDF on Windows for free
The quickest way that actually removes the text is a browser tool. It runs in Edge, Chrome, or Firefox, and the file stays on your PC.
- Open the free redaction tool in your browser.
- Drag your PDF onto the page, or click to pick it from your files.
- Draw a box over each name, number, or line you want gone. Add as many boxes as you need across every page.
- Apply the redaction. The text, images, and vector art inside each box are deleted from the file, and the affected pages are flattened so nothing hides underneath.
- Download the finished PDF.
Because the work happens locally, your document is never sent to a server. That matters for anything with financial or personal data in it, like a bank statement or a contract.
Can you redact a PDF in Microsoft Edge or Word?
Edge cannot redact. Its markup tools sit on top of the page and leave the text intact, so treat anything you black out there as still readable.
Word is a partial workaround, not a clean method. You can open or paste content into a document, cover text with a black highlight or a solid box, then export to PDF. The risk is that the original characters can survive the round trip, especially if the PDF was made from a scanned page or has an unusual layout. If you go the Word route, always verify the result before you send it, because the failure is silent. For a fuller look at the desktop options, see how to redact a PDF without Adobe.
Adobe Acrobat Pro does perform genuine redaction, but it is a paid subscription. If you only need it once or twice, paying for Acrobat is a lot of overhead for a small job.
How do you check the redaction worked?
Open your finished PDF and test it. Select all the text on the page (Ctrl+A), copy it (Ctrl+C), and paste into Notepad. If anything you redacted shows up as plain text, the content was only covered and you need to redact it again with a tool that deletes.
Also try the search box (Ctrl+F) and type one of the values you removed, like a name or an account number. A true redaction returns no match. A covered one finds it sitting behind the black bar.
FAQ
Is there a free way to redact a PDF on Windows without installing software?
Yes. A browser-based tool redacts without any download. Open the page, add your file, box the sensitive parts, apply, and save the result. Nothing installs and, with an in-browser tool, nothing uploads.
Can someone recover text I blacked out in Edge?
Yes, easily. Edge draws over the page without removing the text underneath, so the words can be copied out or revealed by deleting the annotation. To make text unrecoverable you have to delete it from the file, which Edge does not do. Here is more on why.
Does redacting a PDF also remove hidden metadata?
A proper redaction tool strips document metadata such as author and title along with the visible text. Annotation-only methods leave that data in place, so check your tool actually removes it if the file's history is sensitive.
What about scanned PDFs?
A scanned page is an image, so there is no selectable text to leak, but a covering box can still be deleted to reveal the picture beneath. Use a tool that flattens the page so the pixels under each box are erased, then confirm the box cannot be moved.
Redaction on Windows comes down to one choice: cover the text or delete it. Only deleting keeps it safe. Redact a PDF for free on Windows, right in your browser.