Frequently Asked Questions

Passper for PDF supports all versions of Adobe Acrobat or other PDF software.

That depends. Since there are some factors will influence the recovery speed like which attack mode you choose, how complex your password is and how much information about your password you provide. For more info about password attack modes, please refer to: Passper for PDF user guide

No. Passper for PDF supports Windows 10/8.1/8/7/XP/Vista only by far. If you are interested in MAC version, please send us an e-mail to

We care about your privacy and we take all necessary measures to ensure any personal information you give us is kept secure.

NO. We definitely do not send any files to server. Also, we do not analyze, store, scan, copy, or do anything else with user files.

The trial version can't remove any password for PDF document. The full version recovers all the passwords and obtains life-long free guaranteed priority customer support.

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