How to reduce the size of PDF files - two commonly used methods

Compared with Word, Excel and PPT files, the size of PDF files has been considered very small. In the document will be converted to PDF format, it will be automatically compressed, but if the original file itself is very large, such as CAD computer-aided design files,merge pdf files i love pdf its volume may reach dozens of megabytes or even hundreds of megabytes, converted to PDF files is still very large, not convenient for transmission, but also take up storage space. So how to modify the size of the PDF? I have prepared three very practical PDF reduction methods, can definitely help you easily solve the problem of excessive PDF volume. Let's take a look.

Method One: Convert PDF and Word multiple times

This method is very simple, just convert PDF files to Word files first, and then convert Word files to PDF files. After two conversions, the size of the PDF file will be significantly smaller. However, this feature only applies to Word, Excel and PPT files, for CAD and images and other documents to reduce the effect is not obvious.

Method 2: Use the compression function of the computer system

This method is very simple and direct, by compressing PDF to reduce the volume. Each computer system comes with a file decompression feature, simply select the desktop PDF file, right-click and select Send to - Compressed Folder, you can complete the compression. However, the system compression tool uses a lossy compression method, which will reduce the quality of PDF files. If it is a picture PDF file, it will automatically compress the pixel clarity of the picture, resulting in poor picture quality. Therefore, if this method of compression is used, I recommend using a lossless PDF compression tool.

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Method 3: Use professional PDF compression software

In addition to the above two methods, you can also use professional PDF compression software to reduce the size of PDF files. These software usually have more options and more efficient compression algorithms, which can better maintain the quality of PDF files. Some common PDF compression software include Adobe Acrobat Pro, Smallpdf and Nitro PDF, etc.. These software usually provide free trial versions or online versions, and you can choose the right version to use according to your personal needs.

Summarize:

Through the above three methods, we can easily reduce the size of PDF files. The first method is to convert PDF and Word files multiple times, applicable to Word, Excel and PPT files; the second method is to use the compression function of the computer system, but you need to pay attention to the loss of quality; the third method is to use professional PDF compression software, which can better maintain the quality of PDF files. According to personal needs and the actual situation to choose the appropriate method of operation, I believe that we will be able to solve the problem of excessive PDF volume.