Unprotect PDF using PHP

The PHP SDK for unlocking PDF documents, remove owner and user password

Try for FREE

File conversion library for PHP

ConvertAPI provides a PHP library that allows you to perform a Unprotect PDF conversion with just a few lines of code. Unprotect PDF documents using PHP programming language with no effort at all!

        Execute the following command in your project root:
    
composer require convertapi/convertapi-php

Or install it manually using ConvertApi autoloader:

Following extensions are required: curl & json

require_once('/path/to/convertapi-php/lib/ConvertApi/autoload.php');

Composer GitHub

How To Unprotect PDF using PHP?

You can Unprotect PDF in a few simple steps:

Obtain your secret key by signing up for a free account.
Install the ConvertAPI library for PHP
Set up the Unprotect PDF conversion using our live demo tool
Copy-paste the auto-generated code snippet into your project!

Unprotect PDF - complete code snippet for PHP

Once you have your authentication in place, simply copy-paste this pdf to unprotect conversion code snippet into your PHP project:

// Code snippet is using the ConvertAPI JavaScript Client: https://github.com/ConvertAPI/convertapi-js

// Code snippet is using the ConvertAPI Node.js Client: https://github.com/ConvertAPI/convertapi-nodejs

// Code snippet is using the ConvertAPI PHP Client: https://github.com/ConvertAPI/convertapi-php

// Code snippet is using the ConvertAPI Java Client: https://github.com/ConvertAPI/convertapi-java

// Code snippet is using the ConvertAPI C# Client: https://github.com/ConvertAPI/convertapi-dotnet

# Code snippet is using the ConvertAPI Ruby Client: https://github.com/ConvertAPI/convertapi-ruby

# Code snippet is using the ConvertAPI Python Client: https://github.com/ConvertAPI/convertapi-python

// Code snippet is using the ConvertAPI Go Client: https://github.com/ConvertAPI/convertapi-go

REM Code snippet is using the command line utility program: https://github.com/ConvertAPI/convertapi-cli

Upload the file and see how it works

You can set up the advanced conversion parameters and test the conversion result online using our interactive demo tool. It will auto-generate the code snippet for you!

Advanced Unprotect PDF conversion parameters

Password String

Enter user password to remove User protection. Leave the parameter empty to remove Owner protection.