Protect PDF with password — Free
Add a password to your PDF to prevent unauthorized access. No sign-up, free.
Protect a PDF with a password online free. Add AES-256 encryption to your document in seconds. No sign-up.
Add a password to your PDF to prevent unauthorized access. No sign-up, free.
.pdf · max 50 MB
No installation needed: it works in your browser on mobile and desktop.
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AES-256
Your files are not stored. They are deleted automatically after 30 minutes of inactivity.
Protect PDF with password — Free
Add a password to your PDF to prevent unauthorized access. No sign-up, free.
PDF to protect
.pdf · max 50 MB
AES-256
PDF
Protect PDF with password — Free
Protect a PDF with a password online free. Add AES-256 encryption to your document in seconds. No sign-up.
Add a password to your PDF to prevent unauthorized access. No sign-up, free.
.pdf · max 50 MB
No installation needed: it works in your browser on mobile and desktop.
Frequently asked questions
What encryption is used?
AES-256 encryption — the strongest standard for PDFs.
Can I remove the password later?
Yes, with any PDF editor that supports password unlocking.
Are my files stored?
No. They are deleted automatically after 30 minutes of inactivity.
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