How can protect my pdf from smallpdf.com

Hello. Im trying to figure out how can i protect my PDF from smallpdf.com

This page erase your password and let you edit the pdf file.

I dont wanna my PDF editable, because my work and work from all designers worth!

Thank you very much and sorry for my english.

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Correct answer Joel Geraci

Use Certificate Security instead of a password and be sure to set it to 256-bit AES. smallpdf.com can't remove that type of security.

Correct answer

Community Expert

Use Certificate Security instead of a password and be sure to set it to 256-bit AES. smallpdf.com can't remove that type of security.

Participant

Hello, i have alot of work, and i cant response this thread. Im sorry.

I try whit Security Certificate but i have to add some users... i don't understand this function. Do you have any tutorial ? Thank you!

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