PDF Encrypt & Decrypt

• PDF encryption and decryption tool — add password protection to your PDF files or remove existing passwords
• All processing runs locally in your browser; files are never uploaded to any server, keeping your data private

1. Open the tool page and upload a PDF by clicking or dragging it into the drop zone (max 50MB)
2. Pick Encrypt or Decrypt mode: set and confirm a password to encrypt, or enter the current PDF password to decrypt
3. Click "Encrypt PDF" or "Decrypt PDF" to process the file, then click "Download File" to save the result

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your files and passwords never leave your device

Free online PDF encryption and decryption tool. Set password protection for PDF files or remove existing passwords. All processing is done locally in your browser - no files are uploaded to any server, ensuring your privacy.

Open the tool page and upload a PDF by clicking or dragging it into the drop zone (max 50MB) Pick Encrypt or Decrypt mode: set and confirm a password to encrypt, or enter the current PDF password to decrypt Click "Encrypt PDF" or "Decrypt PDF" to process the file, then click "Download File" to save the result

This tool is completely free and requires no sign-up Everything runs locally in your browser — your files and passwords never leave your device

Yes, PDF Encrypt & Decrypt is completely free. No download or installation required — it runs right in your browser.