PDF Lock

Protect your PDF documents by adding the password right on your Android device. Ideal for when you want to send some sensitive documents to someone else. After our engines encrypt your file, it willbe downloaded to your device, and deleted from our servers.

* Free encryption can encrypt 1 file per hour
* Paid encryption are completed within seconds.
* Encryption provide you 2 options for protection: password for open and password for edit
* Encryption does not change your PDF content.
* Easily share encrypted files to someone else.
* Fast and easy, won't drain battery or slow down your phone.
* Your files is deleted from our servers right after the encryption ends (seriously, we don't need your files, we need to save our server resources)