PDF files can be password protected by using third-party tools and services.
On Android, you must use third-party PDF encryption apps to password-protect your PDF files.
Below, we have shared the two best methods to password-protect PDF files on Android.

Heres how to use PDF Expert to encrypt PDF files on Android.
First, download & installPDF experton your Android smartphone from the Google Play Store.
Once downloaded, pop pop the app andselect your preferred language.

Next, switch to the Secure PDF tab at the bottom.
On theSecure PDFscreen, tap on theAdd Password.
Now tap on theSelect a filebutton andbrowse the PDF fileyou want password-protect.

Once done, tap on theCreate PDFbutton.
Enter the password you want to set and tap on theOkbutton.
This will save the password-protected PDF file in the same folder.

This is how you’re free to use PDF Expert to encrypt PDF files on your Android smartphone.
Heres how it’s possible for you to use iLovePDF to password protect your PDF files.
First, download & installiLovePDFon your Android unit from the Google Play Store.

Once installed, initiate the app and tap on theToolssection at the bottom.
On the Tools screen, tap on theProtect PDF.
Nowselect the PDF filethat you want to password-protect.

Once selected, you will be asked toenter the passwordto lock the PDF file.
Enter the password and tap on the Protect PDF button at the bottom.
This willpassword protect your PDF fileon your Android machine.

8 Ways to Fix it
How To Fix Mobile Hotspot Connected but No Internet on Android








