Online PDF Encryption Tool – Protect PDF with Password Free & Secure

PDF Encryption Tool

Upload PDF → Set Password/Permissions → Batch or Individual Encryption & Download

Drag or upload PDF files

Supports batch (max 30), processed locally, do not upload too many files.

Uploaded Files

Max 30

Progress: 0 / 0

Open Password (User Password):

Owner Password (Optional, allows removal of permissions):

Permission Settings:

Permission settings may not be effective; default is recommended.

Instructions

• Supports batch encryption (up to 30 files at once).

• Each file can be encrypted and downloaded individually.

• Old browsers are not supported; please use a modern browser.

• Encrypted files are standard password-protected PDFs; a password prompt will appear in mainstream readers.

Usage Tips

1) Drag or click "Select Files" to upload PDF files (max 30).

2) Enter the open password (required), and optionally set the owner password and permissions.

3) Click "Encrypt and Download All" or encrypt individually.

4) Processing takes place within your browser; do not upload too many or too large files as it may cause the browser to crash.

5) For questions, contact QQ: 19577566 or Email: iticu@qq.com

Note: Passwords cannot be recovered. Please remember yours.