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Protect PDFs with a password or unlock them using the correct password.
PDF Lock & Unlock is a simple PDF security tool that helps you protect PDF documents with a password or unlock password-protected PDF files using the correct password. Protect important documents, secure sensitive PDF files, and remove password protection when you have the authorized password. The app provides two focused PDF security tools in one place: Lock PDF and Unlock PDF. PDF LOCK - PASSWORD PROTECT PDF Protect your PDF documents by adding password protection. Select a PDF, create a password, and generate a new protected PDF file while keeping your original document unchanged. Use PDF Lock to: • Lock PDF files with a password • Password protect PDF documents • Secure PDF files • Protect sensitive PDF documents • Create a protected copy of your PDF • Keep the original PDF unchanged • Open, save, and share the protected PDF PDF UNLOCK - REMOVE PDF PASSWORD Already have a password-protected PDF and know the correct password? Use PDF Unlock to remove password protection and create an unlocked copy of the document. Use PDF Unlock to: • Unlock password-protected PDF files • Remove PDF password protection • Decrypt PDFs when you have the correct password • Create an unlocked PDF copy • Keep the original protected PDF unchanged • Open, save, and share the unlocked PDF PDF SECURITY FEATURES • Lock PDF with password • Unlock PDF with the correct password • PDF password protection • PDF security • Password-protected PDF support • Remove PDF password • Secure PDF documents • Create separate protected and unlocked PDF copies • Simple PDF security workflow • Open, save, and share PDF files SIMPLE PDF PROTECTION Choose Lock PDF or Unlock PDF from the home screen. To protect a document, select your PDF, enter and confirm a password, and create a protected PDF. To unlock a protected document, select the PDF and enter its existing password. If the password is correct, the app creates a new unlocked PDF. YOUR ORIGINAL PDF STAYS UNCHANGED PDF Lock & Unlock creates a separate output file instead of replacing your original PDF. Your original document remains available on your device. For example, a protected document can be saved as a new locked PDF, while an unlocked document can be created as a separate copy. SECURE PDF DOCUMENTS PDF Lock & Unlock is designed for everyday document security and password protection. Use it for PDFs containing personal documents, business files, reports, forms, records, and other documents that need password protection. IMPORTANT PDF Unlock requires the correct password for a protected PDF. The app does not bypass, guess, or crack PDF passwords. WHY USE PDF LOCK & UNLOCK? • Lock PDF documents with password protection • Unlock PDFs when you know the password • Protect sensitive PDF files • Remove PDF password protection when authorized • Keep original PDF files unchanged • Use a focused PDF security tool without unnecessary PDF editing features PDF Lock & Unlock brings PDF password protection and PDF password removal together in one simple application. Whether you need to lock a PDF, protect a PDF with a password, unlock a password-protected PDF, or remove PDF password protection using the correct password, PDF Lock & Unlock provides the essential tools in one place.