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Command Line PDF Encryption

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Encrypt PDF Command Line Format


win2pdfd.exe encrypt "sourcefile" "destfile" permissions encryptiontype ownerpass userpass



permissions” is a hexadecimal value as defined here:

It should be set without a preceding 0x. Set permissions to fffffffc to enable all permissions.


encryptiontype” is one of “40”, “128”, “128aes”, or “256aes”.  256aes is recommended.


ownerpass” is the owner password (required).


userpass” is the user password, and must be distinct from the “ownerpass”.  Set to “” for no user password.


This command is only available in licensed versions of Win2PDF Pro.


Any file names that contain spaces must be enclosed with quotation marks.


Returns 0 on success, and a Windows system error code on failure.