Protect PDF

Add an AES-256 password and limit printing or copying. Your files are processed in your browser and are not uploaded to this site.

Add a password to your PDF

Add a PDF, set an open password, limits or both, then save a protected copy.

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or browse — one PDF, any number of pages

Passwords

Require a password to openNobody can read the file without it.

Open password

Type the open password again

Limit printing, copying and editingA separate permissions password is needed to change the limits.

Encryption and limits

Encryption AES-256 RecommendedOpens in Adobe Acrobat X and newer, and in all current browsers and PDF apps. AES-128Also opens in Acrobat 7 to 9. Passwords: Latin letters, numbers and symbols, up to 32. RC4 128-bitOnly for very old readers. Weak by today's standards; avoid it for anything sensitive.

Limits, when turned on

Printing

Changes

Allow copying text and images Allow screen readers to read the text

Good to know

Your pages

Check it's the right file before you protect it. Click a page to see it full size.

Add a password to your PDF

Drop your PDF here

This PDF already has a password

Passwords

Encryption and limits

Your pages

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