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Suppresseur de mot de passe PDF

Unlock a password-protected PDF. Vous devez posséder le fichier and know the password.

By using this tool you confirm that you have the legal right to unlock this PDF.

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PDF Tools

À propos de PDF Password Remover

The PDF Password Remover unlocks a password-protected PDF by removing the password requirement, producing a freely accessible PDF you can open, print, and copy without entering a password each time. Enter the current PDF password to authenticate, then download the unlocked version — ideal for documents you own and access regularly.

Comment l'utiliser

  1. Upload the password-protected PDF.
  2. Enter the current password to authenticate.
  3. The tool decrypts and re-saves the PDF without password protection.
  4. Download the unlocked PDF.

Formule et méthodologie

PDF decryption: use provided password to derive the encryption key (per PDF spec RC4/AES algorithm). Decrypt all content streams using the derived key. Write new PDF without encryption dictionary. The open password removes the viewing restriction. The owner/permissions password removes restrictions. Without the correct password, decryption is not possible.

Cas d'usage courants

  • Removing the open password from your own documents for convenience
  • Unlocking PDFs you have forgotten the password to (your own documents)
  • Removing print/copy restrictions from PDFs you are licensed to use
  • Preparing password-protected forms for editing
  • Batch unlocking company PDFs with known passwords

Questions fréquentes

This tool requires you to enter the correct password to unlock the PDF — it does not crack or brute-force unknown passwords. You must know the password to use this tool. Attempting to remove password protection from PDFs you are not authorized to access may violate copyright law, DRM agreements, or terms of service. Only use this tool for PDFs you own or have explicit permission to unlock.
An open password (user password) encrypts the file — you cannot view it without the password. A permissions password (owner password) leaves the file viewable but restricts actions like printing or copying. Both can be removed separately. If a PDF only has a permissions password but no open password, some tools can remove the restrictions without needing any password, since the content is not actually encrypted.

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