zmcmay

I expect to upload an AVI video on my blog, but the problem is that I cannot upload it directly as I did on Facebook. So I may need to convert MP4 to FLV format.


I searched a tutorial named MP4 to FLV…

We often have too many PDF documents or sheets to handle with, such as report, statistics, brochure etc. In order to achieve batch printing, batch emailing or batch archiving for easier organzation, we may need to merge some PDF files into a single file.

How to merge PDF files…