Redact PDF Online — Free PDF Redaction Tool
Permanently black out sensitive words, names, or phrases from your PDF before sharing. Enter the text to redact and our tool replaces every occurrence with a solid black rectangle — in your browser.
Drop file here or click to browse
Files stay on your device · Up to 200 MB
Drop multiple files or click to browse
Select multiple files · Up to 200 MB each
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How to Use Redact PDF
Why Use Our Redact PDF Tool?
Sharing documents with personal data, financial details, or confidential information requires careful redaction. Our browser-based tool ensures the original content never leaves your device.
Frequently Asked Questions
The black boxes are embedded in the PDF. However, for critical legal redaction, verify that the underlying text layer is also removed. Our tool works on the rendering layer.
Currently one term per run. Process the output again to redact additional terms.
Scanned PDFs require OCR to locate text — the redaction will cover visible text patterns on the image layer.
Black is standard for redaction. This is the expected convention for legal and official documents.