Unlock a PDF

Welcome to the Unlock guide. This guide will teach you how to unlock your password protected PDF files easily.

The Unlock PDF tool has no specific attributes so this guide will focus only on the basic method while recommend you to take a look at Common features guide for an advanced use of this tool.

Remember that all Tool Guides takes into account that you have previous knowledge about the Basics to process a PDF with our REST API but if not, we strongly recommend you to read the related guide before start with this one.

Basic Unlock PDF

Download the PHP library from GitHub
Download the Ruby library from GitHub
Download the .Net library from GitHub

unlock() will try to unlock those files who are protected by password and if succeed returns a password free PDF to download. In case that unlock have failed the system will inform error for those files that failed.