Redact PDF — Permanently Hide Sensitive Text Free
Black out names, email addresses, account numbers and private information from any PDF. Permanent and irreversible.
Redact PDF
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Your file is processed locally in your browser — never uploaded to any server
How It Works
Open Redact PDF
Go to curopdf.com/redact-pdf.
Upload your PDF
Select the document containing sensitive information.
Enter words to redact
Type names, numbers, addresses — one per line or comma-separated.
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All instances permanently blacked out across every page.
How to Redact a PDF Online
Redaction permanently conceals sensitive information — names, account numbers, email addresses, national insurance numbers — so it cannot be read, copied, selected or recovered from the file. Every instance of your specified terms is blacked out across all pages simultaneously.
📌 Always keep a copy of your original file before redacting. This action permanently alters the document and cannot be undone.
When to use PDF redaction
- Sharing documents publicly that contain personal data
- Responding to FOIA or subject access requests
- Removing client details from a template before sharing
- Preparing legal documents for court disclosure