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. This file format has nothing to do with the operating system platform, that is, PDF files are common in Windows, Unix and Apple's Mac OS operating systems. This feature makes it an ideal document format for electronic document distribution and digital information dissemination on the Internet. More and more e-books, product descriptions, company announcements, online materials and emails are using PDF files.
Deleting a PDF file is slightly different from deleting files in other formats. The main difference is whether a page or a paragraph (picture, etc.) is deleted. ) As a whole:
1. Delete as a whole: Like deleting files in other formats, the easiest way to delete a PDF file is to right-click the PDF target file and select Delete.
2. Delete one or more pages:
(1) install "adobe acrobat Xi";
(2) Open the PDF file with "Adobe Acrobat XI" software;
(3) After opening, click the page thumbnail in the upper left corner, select the page to delete, and click the right mouse button;
(4) Select "Delete Page" and click "Yes" to delete the selected page (one or more pages).
3. Delete a paragraph or some words and pictures:
(1) install Foxit PDF editor; ;
(2) Each PDF file contains many pages, and each page contains various visual objects, such as text objects, graphic objects and image objects. Each object is defined by its properties.
(3) The functions of Foxit PDF editor include:
-Edit an existing PDF file or create a new one.
-display PDF files with almost the same effect as Adobe PDF Reader.
-Page scaling.
-Reliable WYSIWYG editing function.
-Insert or delete a page.
-Add text objects using embedded or non-embedded fonts.
-Insert rows or other simple graphic objects.
-Inserts an image in bitmap format.
-Delete any object from the page. -Change the properties of the object.
-You can undo any operation. -Copy and paste any object between different PDF files.
-Copy and paste text between PDF and any Windows application.
-Copy and paste images between PDF and any Windows application.