How to remove PDF 'open password'?

Remove PDF open password Many people set password protection for PDF files to prevent unauthorized access. But what should you do if you need to remove the "Open Password"? This article aims to provide a clear and simple guide to remove PDF opening password step by step and access protected files easily. PHP editor Banana will introduce two methods in detail: using a PDF editor and online tools. Read on to learn how to easily regain control of your PDF files.

First of all, we have to look at two situations. One is that when you know the password, you don't need to protect the file, and you don't want to have to "enter the password" every time you open the PDF, so you want to cancel the password; the other is that you have forgotten the password and want to remove it.

If it is the first case, we can use the PDF editor to relieve it.

First, open the PDF file through the PDF editor. Before opening, you need to enter the originally set password;

After opening the PDF file, click [Delete Security Settings] in the menu tab [Protection] list;

After the confirmation dialog box pops up, click [OK], and the "open password" of the PDF will be released. You will not need to enter the password next time you open the file.

In addition to the PDF editor, we can also use related PDF tools to remove passwords.

The above is the detailed content of How to remove PDF 'open password'?. For more information, please follow other related articles on the PHP Chinese website!