Protect PDF with Password and Strong Encryption
Add an opening password and encrypt your document with high-strength AES security.
Drop your file here
or pick it from your device
Your files never leave this device.
How it works
- 01
Añade tus archivos
Upload the PDF document you want to protect.
- 02
Configura u ordena
Enter the opening password the document will require.
- 03
Descarga el resultado
Download your locked PDF with robust encryption.
Frequently asked questions
What kind of protection does this tool add?
It adds a user opening password. Any reader opening the PDF will prompt for the key before decrypting content.
Are my password or files sent to any server?
No. Encryption runs 100% locally in your browser via client-side cryptographic libraries.
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