PDF Reader Pro provides two ways to remove passwords from PDF for better file management, the steps are as below:
Option 1:
1. Go to PDF Tools and tap Encrypt & Decrypt;
2. Select the file that you want to decrypt;
3. Enter the right password to open it, and switch to turn off Password Mode;
4. Click Done, the password will be removed from the file.
Option 2:
1. Select the file that you want to decrypt and enter the right password to open it;
2. Tap More icon and choose Change Password;
3. Switch to turn off Password Mode;
4. Click Done, the password will be removed from the file.