Conversion method: 1 First, enter our PDF converter official website. 2. After downloading and installing, open the software and choose how to send the registration materials in pdf format. 3. Click or drag the batch PDF file to be converted, or click Add Folder at the bottom of the interface. You can choose the original file directory or custom directory as the output directory, and finally click "Start Conversion" to complete the conversion.

PDF is portable. The abbreviation of file. Format, which means "portable document format", was created by Adobe. A file format developed by the system, which is used for file exchange and has nothing to do with applications, operating systems and hardware. PDF file is based on PostScript language image model, which can ensure accurate color and accurate printing effect on any printer, that is, PDF will faithfully reproduce every character, color and image of the manuscript. Portable document format is an electronic file format.