Are you not able to copy the contents of PDF file? or asking password to open or edit pdf file. This indicates that PDF file is set to restricted. If you remove the restriction from PDF file, the content (text or photos) of the PDF file can by copied using mouse and can be pasted at other places.

If you forget the password of PDF file, in this situation also you can get the PDF file which will not ask password if you remove the restriction of pdf file.

To remove the pdf file restiction online and with absolutly free, you should upload the resticted PDF file at Pdf Cracker , you will get unrestricted same pdf file to download.