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Redact PDF

Remove sensitive information from your documents

Manual Redact

Draw boxes over content you want to remove. Perfect for quick, targeted redaction.

  • Draw to redact
  • 100% private - browser only
  • Free to use
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AI-Powered

Auto-Detect & Redact

AI automatically finds and redacts names, emails, phone numbers, SSNs, and 50+ PII types.

  • Auto-detect PII with Claude AI
  • Batch process multiple files
  • Free plan available
From the makers of ModernPDF Try SafeRedact

How It Works

1

Select File

Choose a PDF from your device

2

Mark & Redact

Draw boxes over sensitive content

3

Download

Save your finished PDF

Why Choose ModernPDF

100% Private

Your files never leave your device. No uploads, no servers, no tracking.

Lightning Fast

No upload wait times. Processing starts instantly on your device.

No Upload Required

Everything processes locally. Your files never touch our servers.

Related Tools

Frequently Asked Questions

Yes. ModernPDF permanently removes the underlying text and replaces it with solid black rectangles. The original content cannot be recovered.

Much more secure. Highlighting or drawing black boxes in a word processor only covers content visually — the text remains selectable underneath. ModernPDF actually deletes the data.

Yes. Pro+ users get AI-powered PII detection that automatically finds names, emails, phone numbers, SSNs, and other sensitive data.