The original, trademark Mobisystems Logo.

Permanently redact sensitive information in PDFs

Easily black out and permanently remove text, images, and confidential content before sharing your PDFs. MobiPDF helps you protect personal, financial, and business information with intuitive and reliable redaction tools.

Free Download
Also available for Android and iOS
Also available for Windows and iOS
Also available for Android and Windows
art direction image

Redact PDFs in seconds

Quickly mark sensitive text, images, or entire sections for permanent removal. MobiPDF makes it easy to redact confidential information while keeping the rest of your document clean, structured, and ready to share.

Free Download
art direction image

Find personal data in one scan

Smart Redact scans your PDF for email addresses, phone numbers, credit card numbers, IBANs, national ID numbers, and dates of birth. Open Mark for Redaction on the Protect tab and select Smart Redact. Review the detected items, select what to redact using the checkboxes, and apply the changes. You can also explore the redaction tools.

Free Download
art direction image

Redact every occurrence of a word

Search and Redact finds and marks every occurrence of a word or phrase across your PDF. Open Mark for Redaction on the Protect tab and select Search and Redact. Enter a name, client code, or phrase to mark all matches. Review the marked content before selecting Apply Redaction to permanently black it out.

Free Download
art direction image

Permanently remove hidden content

Unlike simply covering text with shapes or highlights, MobiPDF permanently removes the selected content from the document. Once applied, redacted information cannot be searched, copied, or recovered.

Free Download
art direction image

Work with sensitive documents freely

Protect personal details, financial information, contracts, invoices, and other confidential content before sending files to clients, colleagues, or third parties. Prepare documents for sharing while preserving formatting and layout.

Free Download
art direction image

Why redact PDFs with MobiPDF?

A curved, metallic blade rests horizontally against a plain, light gray background.

You work with reliable and intuitive redaction tools designed for secure document sharing. With dependable and permanent content removal, you can confidently protect sensitive information before your files leave your device. Work offline for additional privacy and securely redact text or areas in just a few clicks.

Free Download

FAQ

separator

Redacting a PDF means permanently removing sensitive information from a document so it cannot be viewed, copied, searched, or recovered.

Editing changes the visible content of a document, while redaction permanently removes the selected information from the PDF itself.

Yes, but covering text with shapes or boxes only hides it visually. The underlying content may still be accessible. Proper redaction permanently deletes the information.

Yes. If the scanned PDF contains searchable text through OCR, you can redact it just like any other PDF document.

Yes. Once you apply redaction in MobiPDF, the selected content is permanently removed from the document and cannot be recovered.

Yes. MobiPDF allows you to redact text, images, and selected areas of a page to help protect any sensitive content within your PDF.

Yes. Smart Redact scans the document and lists every email address, phone number, credit card number, IBAN, national ID number and date of birth it finds, each with a checkbox. It doesn't detect names or street addresses; use Search and Redact or manual marking for those. Smart Redact is included in MobiPDF Pro.

No. Marking is reversible until you choose Apply Redaction. Applying is permanent, but MobiPDF saves the result as a new file named <file>_redacted.pdf and leaves the original untouched. Before sharing the redacted copy, you can use any of the other ways to protect a PDF on it.

Get more PDF tips straight from our experts

separator
Writing a convincing CV that gets you your dream job isn't that hard – here are our top tips.
Jul 6, 2023read time8 min

Crafting the Perfect Pitch – How to Write a CV That Sells

3D certificate with signature line and red seal, symbolizing verified digital documents.
Apr 10, 2023read time6 min

How to Edit a Digitally Signed PDF Document

Close-up of a phone displaying a five-star rating, highlighting user satisfaction.
Oct 21, 2022read time5 min

Which Is the Best PDF Editor for Android?

Illustration of text editing and image placement for document design.
Sep 12, 2022read time12 min

How to Edit a PDF or Create a PDF File From Scratch

See what else is possible with MobiPDF

A curved, metallic blade rests horizontally against a plain, light gray background.
art direction image
Buy Now
Free Download