1. Enter the reading page and tap Editor on the toolbar;
2. Choose Remove Security and click Add Files +, select 1 or more encrypted PDF files;
3. Tap Remove Password and choose an output folder;
4. Then your PDF files will be decrypted, if a open password is required, you need to enter the right password first and then remove protections;
5. If you want to remove one of the added PDF files, click , if you want to remove all added files, click Remove All.