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Redact PDF

Select a page area and cover it with an opaque black rectangle in a separate PDF copy. This PDF redaction tool masks page appearance only; it does not remove text or images beneath the selected area.

Visual masking only — not secure redaction. Content beneath a black box may still be copied, searched, or extracted. Do not use this tool to conceal confidential information.

One PDF per runPDF onlyUp to 20 MBNo loginManual page selection

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Choose a PDF to preview it in this browser. Your file is not uploaded.

Choose a page, press and drag across the visible content to preview a black mask, then release. Repeat for other areas or pages. Create and open the downloaded copy to inspect it.

What this PDF redaction tool changes

To redact a PDF document here, manually paint a rectangle over the visible area on each relevant page. The browser adds opaque black shapes to a new PDF copy; it does not recognize text, search for sensitive phrases, or delete the covered text layer, images, or metadata.

People looking for a redact PDF free option or a PDF redaction tool should treat the result as a visual mask, not as permanent redaction. Copying, searching, accessibility extraction, or other PDF tools may reveal covered content. Use a dedicated redaction process that removes underlying content when confidentiality matters.

Mask a page area and inspect the saved PDF

  1. Choose one PDF file up to 20 MB. It is opened in your browser for preview.
  2. Press and drag across the content to cover, then repeat on every page and area that needs a mask.
  3. Create the separate copy, open it, and inspect every page. Do not treat a black rectangle as secure deletion.

Limits and safe handling

This page adds only user-selected black rectangles. It does not delete words from the PDF, redact hidden text, remove images beneath a mask, sanitize metadata, or guarantee that content cannot be recovered. A mask can miss content if its size or placement is inaccurate.

One PDF is processed per run. Encrypted, malformed, or unsupported PDFs may fail to open. The source file is left unchanged; the generated copy may still contain the original material underneath each mask.

Frequently asked questions

Does this tool delete the text underneath a black box?

No. It draws a visible mask over the selected area; the underlying text and images remain in the PDF and may be recoverable.

Can I redact a PDF document for free?

This browser tool creates a visual-mask copy without a login. It is not secure redaction and should not be used to conceal confidential information.

Can this PDF redaction tool find sensitive text automatically?

No. You select every area manually on the rendered page. The tool does not search for words or detect personal information.

Does my PDF get uploaded?

No. The PDF is read and processed in your browser. The PDF viewer and editing libraries are served as site assets; the document is not sent to a processing service.

For editable watermark annotations, see Remove Watermark from PDF. To add a text overlay, see Add Watermark to PDF.

Only process documents you own or are authorized to edit. Never rely on a visual mask to protect confidential information.