Batch modify PDF document author, title, subject, keywords.Operation is simple:
Step first: Add PDF files, click [Add Files] button or dragged files from the outside to the program interface.
Step two:Settings you want to add or modify the author, title, subject, keywords, and other information (blank will remove the corresponding information in the document).
Step third:Click [Run] button to add or modify information for your documents.

The software runs on windows operating system, no other requirements. Support the windows xp/2k/vista/win7/win8, support for 32-bit and 64-bit operating system.

No, the software does not need other auxiliary, independent run.

No, the purpose of the software development is to avoid installing huge Adobe software.

PDF Reader to open PDF documents, view file properties.

The software is very convenient to add files, you can use the following methods:
a.Button: [Add Files] button to add files into the program (Supports multi-selection);
b.Drag: dragged the files into program (you can select multiple files dragged).

Drag: dragged the files into program (you can select multiple files dragged).

Modify in the original file.

The program supports drag sort, you can use the mouse to drag one or more lines of moving.

If the files with open password, you need to add files before (or click on the "run" button) enter open password.
Note: "Open password" is valid for all files.If password is not the same,Please separate run.

PDF files require open password. You need input password before add files.
Note: "Open password" is valid for all files.If password is not the same,Please separate run.

If it fails, the common causes:
(1) the source PDF file occupied (being open or edit);
(2) New PDF file has been opened (if the user open the file, repeat the operation, should close the file).

Author, title, keyword set is empty.

The check box is used to control whether the current file is involved in Operation: the selected participation (default), do not select are not involved in Operation.
Change the state of the check box: click the check box.
Tips:
How to select all or unselect all:
a.Click "check box" on the file list box header.
b.Click the right mouse button in the file list box, popup menu, use [Select / Unselect All] function.

In the file list box, click the right mouse button popup menu:
[Add files]: Functions the same as the "Add Files" button.
[Select / Unselect All]: change the selected state of all files in the file list box.
[Remove]: remove the selected file from the list box.
[Clear]: Clear file list box all files, re-add.
[Open]: open the current file, view the contents.
[Locate]: positioning the disk location where the file.