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How to edit title and modification date?

Today I am going to describe how to edit title and modification date. With the development of the modern society, more and more office workers...

If you have to edit title and creation date of your pdf file, you have no choice but to use tools to fix this problem....

some of my workmates ask me how to resize the window of pdf reader and center it on screen. I want to say that’ s...

Have you ever met this problem that your pdf opened very slowly? Do you know why it can cause this problem? The reason is that...

Do you want to edit pdf content size and page margins ? Or have you ever met this problems in your daily office work? How...