Choose Files
or drop a file here
256-bit Encryption•Max 50 MB per file
Options
The PDF will be encrypted with this password.
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Processing Status
Waiting for upload…
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Why use our Protect Pdf tool?
- AES 256-bit PDF encryption
- Set both user and owner passwords
- Works with any PDF viewer
- Instant download after encryption
Common use cases
- 1Protect confidential business documents
- 2Secure personal financial records
- 3Prevent editing of contracts
- 4Share sensitive PDFs safely
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How it works
1
Upload your file
Select or drag-and-drop your file. Supports PDF, Word, Excel, images and more.
2
Apply settings
Configure options if needed and click the convert button.
3
Download result
Your file is ready instantly. Automatically deleted after 2 hours.
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Frequently asked questions about Protect Pdf
How do I password protect a PDF?
Upload your PDF, enter your chosen password, click Protect, and download the encrypted PDF.
What type of encryption is used?
AES 256-bit encryption — the same standard used by banks and governments.
Can the password be removed later?
Yes, use our Unlock PDF tool with the correct password to remove protection.
🔒 Your files are encrypted with 256-bit SSL and permanently deleted from our servers 2 hours after processing. We never read or share your documents.