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Sensitive Data Scrubber

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Scan your PDF for sensitive personal information including email addresses, phone numbers, social security numbers, and credit card numbers. Review detected items and redact them in one click.

100% Private — files never leave your browser
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Drop a PDF to scan for sensitive data

or click to browse from your device

Select Files

Your files stay on your device — 100% private

PDF, APPLICATION/PDF

How it works

Upload your file

Drag & drop or click to select. Files stay on your device — nothing is uploaded.

Adjust settings

Configure options and preview before processing.

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Get your file instantly. No signup, no email required.

Frequently Asked Questions

We scan for email addresses, phone numbers, Social Security Numbers (SSNs), credit card numbers, and IP addresses using pattern matching.
Selected items are covered with black rectangles in the output PDF. The underlying text is visually obscured.
Yes — the black rectangles are permanently drawn on the page. The original text beneath them cannot be recovered from the output file.

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What Is PDF Data Redaction?

PDF data redaction permanently removes sensitive information from a document, replacing it with black bars or blank space that cannot be reversed. Unlike simply drawing a black rectangle over text (which can be removed to reveal the hidden content), true redaction eliminates the underlying data from the PDF file structure entirely.

Redaction is a legal and compliance requirement in many industries. Healthcare organizations must redact patient information under HIPAA. Government agencies redact classified content for public records requests. Legal teams redact privileged information during discovery. Financial institutions redact personal data for GDPR and CCPA compliance.

One23PDF's sensitive data scrubber can detect and redact common patterns like Social Security numbers, phone numbers, email addresses, and credit card numbers automatically. You can also manually select text and areas to redact. All processing happens entirely in your browser — the most sensitive data you'll ever handle never leaves your device. It's 100% free with no credit card required.

Benefits of Redacting PDFs with One23PDF

Permanent Removal

One23PDF performs true redaction — sensitive data is completely eliminated from the PDF file structure, not just visually hidden. The information cannot be recovered by any means.

Pattern Detection

Automatically detect common sensitive data patterns like SSNs, phone numbers, email addresses, and credit card numbers. Reduce the risk of missing sensitive information in large documents.

Compliance Ready

Meet GDPR, HIPAA, CCPA, and FOIA redaction requirements with professional-grade permanent redaction. Generate documents that are safe for public release or external sharing.

Maximum Privacy

Redaction of sensitive data demands the highest level of privacy. One23PDF processes everything in your browser — the data you're redacting never passes through any server, ever.

How to Redact PDFs with One23PDF

  1. 1

    Upload Your PDF

    Drag and drop your document or click to browse. One23PDF loads the PDF locally in your browser, ready for redaction.

  2. 2

    Select or Detect Sensitive Data

    Use automatic pattern detection to find SSNs, emails, phone numbers, and other sensitive patterns. Manually select additional text or areas to redact. Review all selections before applying.

  3. 3

    Download Redacted PDF

    Click redact and download your cleaned document. All selected content is permanently and irreversibly removed from the PDF file — not just hidden, but eliminated.

Common Use Cases for PDF Redaction

  • GDPR and CCPA compliance — removing personal data before sharing or archiving
  • HIPAA compliance — redacting patient information from medical documents
  • Legal discovery — removing privileged or irrelevant information from evidence
  • Financial report preparation — redacting account numbers and personal identifiers
  • Public records requests — cleaning government documents for FOIA release
  • HR document processing — removing personal data from employee files

One23PDF vs. Other PDF Redaction Tools

Adobe Acrobat Pro is the industry standard for PDF redaction but costs $19.99/month and requires desktop installation. Specialized legal redaction tools like Relativity and Nuance are enterprise solutions with significant licensing costs. Free online redaction tools are virtually nonexistent due to the sensitivity of the data involved.

One23PDF brings professional-grade redaction to the browser at zero cost. More importantly, it provides the highest possible privacy guarantee: your documents and the sensitive data they contain never leave your device. For organizations handling PII, PHI, or classified content, this local-processing model is the gold standard for security.

The automatic pattern detection identifies common sensitive data formats, reducing the risk of human error in large documents. Combined with manual selection tools for custom redaction, One23PDF provides comprehensive data scrubbing capabilities that rival enterprise solutions — free to use and completely private.