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PDF Redaction

Redact sensitive data from PDFs without uploading to the cloud

4 min readAuthor: Redactorr Support Team · [email protected]Last reviewed: March 2026

Keeping Your PDFs Private

Imagine you need to share a contract with your solicitor, but it contains your client's Tax File Numbers. Or you have a medical report to send to a specialist, but it is full of personal information. This is where PDF redaction matters.

The Old Way (Risky)

In the past, you would have to:

  • Upload your PDF to a website
  • Trust that website with your sensitive data
  • Hope they deleted it after processing
  • Download the redacted version

Your private information would pass through someone else's servers — servers that could be compromised, logged, or misused.

The Redactorr Way (Safe)

With Redactorr, PDF detection and redaction run in your browser.

Upload Your PDF**

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Click "Upload PDF" or drag and drop your file. The file stays in your browser — it is never sent anywhere.

Detection Runs**

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Redactorr reads your PDF, extracts the text, and scans for sensitive information. Emails, phone numbers, Tax File Numbers, Medicare numbers, contract values — all flagged for your review. Everything happens in your browser.

Review and Download**

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You will see everything detected, highlighted for your review. Confirm what to redact, then download your clean PDF ready to share safely.

What Gets Detected

Redactorr automatically finds:

  • Email addresses ([email protected] → [EMAIL_1])
  • Tax File Numbers (123 456 782 → [TFN_1])
  • Medicare numbers → [MEDICARE_1]
  • Credit card numbers (4532 1234 5678 9012 → [CARD_1])
  • Phone numbers (0412 345 678 → [PHONE_1])
  • API keys and credentials
  • Physical addresses
  • Custom patterns you define

Important Note

Redactorr works best with PDFs that contain selectable text — contracts, reports, letters, forms. Scanned-page, photo, and handwritten-form redaction are active product directions, but they are not broad production support claims until OCR, detection, visual redaction, export, and leakage gates pass.