How to encrypt PDF files

Do you know how to better protect the important PDF files? Today I will teach you to use the PDF encryption feature that can greatly enhance the security of documents. · 1. Set the open passwordIf you don't want others to view the contents of the PDF file at will, click the Protect tab and click Encrypt. In the pop-up dialog, check Set the open password. After setting the password, click Confirm.The next time we open this PDF file, we need to enter the correct password to view the ....

How to compress PDF files

We use powerful PDF in our daily life nearly every day.In our daily work, we may have encountered large PDF files. It not only affects the transmission speed but also takes up too much space. Using the compression feature of WPS Premium can quickly help you to solve this problem.Take this file as an example.1. Click the Tools tab.2. Then click Compress.3. Now a dialog box will pop up. Here, we can choose the compression level. This will determine the image quality of the compressed fil....

How to merge and split PDF files

WPS PDF could help edit PDF files and freely convert between PDF and Word, Excel, PowerPoint, and JPG files online. When editing PDF files, we often need to merge multiple PDF files or split a PDF file. So how can we do that?· Merge PagesTake this file as an example. When we need to merge multiple PDF files into one, click the Page tab, then click Merge Page. Now the WPS PDF to Word Converter dialog box will pop up. Click the Add files button in the upper right corner and select other ....

How to add background to PDF files

When we are editing PDF documents, if the entire white layout is too simple, we can add a nice background. Let's learn the tips for beautifying PDF files with WPS Academy. Take this document as an example. Click the Insert tab, the Background drop-down menu, and then click Add Background. In the dialog box, we can add pure color background to the document, or customize the background image. Click Browse and select a suitable picture from the computer.In Surface, we can adjust the r....

How to add annotations to PDF files

When we read the information of certain PDF documents, sometimes we need to mark some important paragraphs or add corresponding comments to some content. Today I would like to introduce how to add annotations to PDF documents quickly. Take this PDF document as an example. Click the Comment tab, and click the Note Mode button. At this time, a blank page appears on the right side of the document body. We select the text that needs to be annotated, click the Highlight drop-down menu, and ....

How to convert PDF files into pictures

We use powerful PDF in our daily life nearly every day. WPS pdf converter is easy and free for people to use.When viewing a PDF file, we may want to save the file content as a picture. So how can we do that? Take this file as an example. Click the Tools tab, then click PDF to Picture. Now a dialog box will pop up. Here, we can set the converted picture, such as Watermark, Pages, Quality and so on.We can choose output By Page or output Long picture according to actual needs.As for the u....

How to insert attachments in PDF files

We use powerful PDF in our daily life nearly every day.To better explain the content, we often need to add multiple attachments in PDF. Purchase our WPS Premium, and then you can use the Insert attachment feature. By using this feature, you can directly open the attached file in the original PDF.Take this PDF as an example.1. Click the Insert tab.2. Then click Attachment.3. At this time, click the place where we want to place the attachment, then find the file we want to insert in the ....

How to use the read mode of PDF files.

With WPS PDF, you can read, take annotation, compress, convert PDF to jpg, highlight, search, process&edit pdf documents on both windows, mac pc and android mobiles.Today, We will learn how to use PDF read mode.Click the Home tab before clicking the read mode, then the page will automatically hide other irrelevant function buttons, enabling users' immersive reading. · BookmarksWhen the e-book is too lengthy to read all at once, we can add a Bookmark and name it.1. Right-click the b....