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Redact PDF

Redact sensitive text from PDFs using OCR-based replacement.

Tool interface

Free upload limit: 50MB

Result

Run the tool to see output...

About Redact PDF

Redact PDF targets true removal of sensitive text from PDFs using OCR-aware replacement, not just drawing black rectangles that sometimes fail under copy-paste. Government filings, FOIA responses, HR investigations, and healthcare releases require redaction workflows that strip underlying text layers. This tool accepts optional word or pattern lists plus an OCR language so it can find and replace matches across scanned and digital pages alike.

Redaction is serious: a missed Social Security number or patient ID can trigger breaches and fines. Always open the output PDF and try selecting previously sensitive areas to confirm nothing leaks. Patterns and comma-separated keywords should be tested on non-production samples first.

Large PDFs may need splitting for upload constraints. After redaction, Protect PDF can add another layer if distribution must be limited. Pair with OCR PDF first when scans lack a text layer and automated replacement misses content.

Use this only on documents you are authorized to modify. Consult legal counsel for court-quality redaction standards—some jurisdictions mandate specific tools and certifications. Highly classified material should never pass through a general-purpose web service; offline certified redaction suites are mandatory there.

Supported formats

This tool accepts PDF. Always respect the upload limit shown next to the form before sending large documents.

How to use

  1. Upload your file in the file field.
  2. Complete the extra fields (password, page ranges, quality, and similar).
  3. Click Run tool.
  4. Download or read the output below.

If processing fails, check the upload size limit on the form, try fewer or smaller files, or retry in a fresh tab.

Security & privacy

Files and text you send are processed to produce your result and are not intended for long-term storage on your behalf. Avoid uploading passports, bank details, medical records, or legally sensitive material unless you accept the risks of any online service. For confidential workflows, prefer offline software on a device you control. Read our privacy policy for site-wide practices.

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Merge PDF

Combine PDFs in the order you want with the easiest PDF merger available.

Split PDF

Separate one page or a whole set for easy conversion into independent PDF files.

Compress PDF

Reduce file size while optimizing for maximal PDF quality.

PDF to Word

Convert PDF files into editable DOC and DOCX documents (requires a document engine such as LibreOffice — not bundled here).

Frequently asked questions

Answers for Redact PDF—expand a question to read more.

What does Redact PDF do?

Redact PDF lets you: Redact sensitive text from PDFs using OCR-based replacement.

How do I use Redact PDF?

Upload your file, fill in the fields (for example page ranges, password, or settings), then click Run tool.

Do I need an account or paid software?

No account is required for core use. You run the tool here in your browser—no separate desktop license is needed from us. Your organization may still block downloads or uploads on its network.

Are my files stored on your servers?

Inputs are processed so we can return your result. Temporary files are removed according to the retention settings configured for this site. Avoid uploading highly sensitive documents on shared or public devices.

What is the upload size limit?

Typical uploads are limited to about 50 MB per request on this site (see the note under Run tool). If a file is too large, compress it first or contact the site operator to raise the limit.