PDF Tools

Protect PDF

Safeguard confidential contracts, statements and records with standard AES-256 PDF encryption and permission settings.

Input:PDFOutput:PDF

Select a file for Protect PDF

Drag & drop your files here, or click to browse

Supports:PDF· up to 200 MB

Files are processed on our server and deleted automatically after processing

Conversion & Output Settings

Open Password

Owner Password (optional)

If empty, a random owner password is generated and permissions can never be lifted.

Encryption

Allow Printing

Allow Copying Text

Allow Editing

Allow Comments & Form Filling

Uses the standard PDF security handler (AES-256, revision 6, by default). Permission flags are honored by compliant PDF readers.

Free to useNo sign-up and no watermarks on your files

How to use Protect PDF

From upload to download in 3 steps.

1
Add your file
Choose or drag a PDF file into the upload area (up to 200 MB each).
2
Adjust the settings
Optionally change the open password, owner password (optional), encryption and 4 more — the defaults work well for most files.
3
Protect PDF and download
Click Protect PDF, follow the progress, and download the result. Files are deleted from the server automatically afterwards.

Supported formats and settings

Input formats: PDF
Output formats: PDF
Limits: Up to 200 MB per file
One file per job
Files are deleted automatically after processing

Open Password: Required to open the PDF
Owner Password (optional): If empty, a random owner password is generated and permissions can never be lifted.
Encryption: AES-256 (recommended) and AES-128 (older readers)
Allow Printing: On or off
Allow Copying Text: On or off
Allow Editing: On or off
Allow Comments & Form Filling: On or off

Why use our Protect PDF?

Genuine Processing

Real conversions by proven engines — never renamed copies or fake results.

Private by Design

Files are deleted automatically after processing and never used for training.

Free to Use

No account, no subscription and no watermarks on your files.

Frequently Asked Questions

Which file formats does Protect PDF support?

Protect PDF accepts PDF files. It produces PDF.

Is there a file size limit?

Each file can be up to 200 MB. Larger files take longer to upload and process.

What happens to my files?

Files are uploaded only when you start processing. They are stored under random names in a private temporary folder, processed, and deleted automatically shortly afterwards — the exact time is shown with your result — or immediately when you click “Delete files now”. Files are never shared or used for training.