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Protect PDF
Password-protect your PDF in seconds.
Drop your file here, or browse
PDF — max 50 MB
Files are deleted immediately after conversion · Never stored or shared
How it works
- 1
Upload your PDF file
- 2
Enter the password you want to set
- 3
Download your encrypted, password-protected PDF
Features
- 256-bit AES encryption
- Password required to open the file
- No signup required
- Files deleted immediately after processing
- Free up to 10 conversions per day
Frequently asked questions
What encryption is used?
We use 256-bit AES encryption via qpdf — the same standard used by major PDF tools.
Can I remove the password later?
Yes. Use our Unlock PDF tool with the same password to remove protection.
Is my file safe?
Yes. Your file is processed in memory and deleted immediately after you download the result. We never store or read your documents.
Is there a file size limit?
Yes — 50 MB maximum per file.