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PDFTorch
Open Editor
Free • No sign-up • Files stay in your browser

Protect, Flatten & Unlock PDF Restrictions

Unlock owner-restricted PDFs, strip copy/print restrictions, or convert editable PDFs into read-only flattened security documents with tamper-evident seals.

100% Local Browser Engine Ready — Zero files are uploaded to any server.

How to Use the Protect & Unlock PDF Tool

  1. 1Upload your PDF document.
  2. 2Choose 'Unlock & Strip Restrictions' (rebuilds a clean, unrestricted PDF) or 'Flatten & Seal Read-Only PDF' (converts vector text into uneditable raster pages with an optional security header).
  3. 3Download your processed PDF immediately.

Key Benefits & Privacy Guarantees

  • Read-Only Flattening prevents anyone from selecting, copying, or altering contract text.
  • Unlock mode strips annoying print/copy owner restrictions by reconstructing a clean PDF.

Your privacy: This tool runs entirely inside your browser. Your document is never uploaded or sent over the network.

Frequently Asked Questions

What does Read-Only Flattening do?

It converts all editable text and signature layers into a single locked visual layer per page so recipients can view and print the document but cannot alter clauses or lift signatures.

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