PDF UtilitiesPDF SecurityFree Tool

Decrypt PDF

Remove AES encryption from a PDF using the owner or user password, producing an unencrypted copy. Useful when you need to process a secured PDF with tools that require an unencrypted input.

How to Use Decrypt PDF
  1. 1Upload the encrypted PDF you want to decrypt
  2. 2Enter the owner password (preferred) or user password
  3. 3Click 'Decrypt PDF' to remove the AES encryption
  4. 4The tool produces an unencrypted copy ready for further processing
  5. 5Download the decrypted PDF
Examples
  • Remove encryption from a password-protected PDF you own to merge it with other documents
  • Decrypt an encrypted business report to share it with a new team member
  • Remove encryption from a PDF before uploading it to a document management system that does not support encrypted files
  • Decrypt an old encrypted archive PDF to extract its contents for migration
Frequently Asked Questions

Unlock removes an open password that prevents viewing. Decrypt removes AES encryption, which is a stronger security measure. Some tools use the terms interchangeably; this tool specifically targets encryption removal.

Either may work depending on the tool. The owner password removes all restrictions. The user password removes the open restriction but may leave permission restrictions intact.

Some PDF processing tools require unencrypted input. If you need to merge, compress, split, or OCR a secured PDF, you must decrypt it first.

If you use the owner password, yes — all restrictions are removed. If you use only the user password, permission restrictions may remain.

Not with this tool. A password is required. Brute-force decryption without authorisation is not supported.

Yes. Decryption runs in your browser. Your PDF and password are never transmitted to any server.

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