Watermark is an important pattern that can be used to protect copyright and privacy. In this article, we explain why you may need to add a watermark to PDF and post 5 useful PDF editors for you.
Locking apps is one of the most secure ways to keep our privacy stuff from spying eyes. Although some third-party apps like Dropbox can provide lock facilities, it is not easy to manage. In this article, I...
Professional PDF editors are essential in adding digital signature field to PDF. In this article, we show 4 powerful editors to complete this task with ease, including CIsdem PDFMaster, Adobe Acrobat Pro DC,...
Auslogics Duplicate File Finder is totally free for PC users and it sorts through images, music, videos, archives and other personal files to remove duplicate files and free up disk space on PC. Sounds useful?...
Do you have troubles in converting MP4 to MKV? If so, please read this article and you will get some great MP4 to MKV video converters for Mac/Windows/Online to help the public enjoy high-quality videos.
Three free online PDF tools and two desktop products mentioned in this article can get users out of the predicament of not being able to replace text in PDF.
Roblox is a game especially popular among kids. Is the game safe for kids? Does Roblox have parental controls? Find out in this Roblox parental controls review.
We have selected some quick and free methods to help users copy locked PDF documents easily, including professional unlock software, Google Chrome, and free online unlock tools. We hope users can get rid of...
This article displays 4 tutorials to reverse order of PDF pages on Mac, including 2 powerful offline software on Mac and 2 online PDF page inverter for free.
