Redact PDF Permanently
Blackout confidential text, passwords, and sensitive information before sharing documents.
Select PDF document to redact
Drop a PDF file here to censor confidential text or images
How to use Redact PDF in 3 easy steps
No software installation required. 100% free and runs smoothly on mobile, tablet, or desktop.
1. Select PDF File
Upload the document with confidential data.
2. Draw Censor Rectangles
Click and drag over passwords, ID numbers, or private text.
3. Burn & Download
Export the redacted PDF. Hidden content cannot be recovered.
Guaranteed Document Confidentiality
Your files stay on your machine. Client-side tools do not send your files to our servers.
Frequently Asked Questions
Everything you need to know about Redact PDF on HoudiniPDF.
Can anyone highlight or select text under the blackout?
No. The redaction permanently removes and covers underlying pixel and vector streams.
Is this safer than using a highlighter tool?
Yes! Highlighters in some PDF readers leave the underlying text searchable. Our redaction burns solid opaque rectangles.
Are documents uploaded to your servers?
No. All redactions are performed entirely in your local browser.
Can I remove a blackout box before saving?
Yes, just click on any blackout box to delete it.
Is this tool completely free?
Yes, 100% free with unlimited document redactions.
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