What software is pdf
pdf is not a software, but a file format. PDF refers to "Portable Document Format" and is a file format developed by Adobe Systems for file exchange in a manner that is independent of applications, operating systems, and hardware.
The operating environment of this tutorial: Windows 10 system, Dell G3 computer.
What software is pdf?
pdf is not a software, but a file format. PDF refers to "portable document format".
is a file format developed by Adobe Systems for file exchange in a manner that is independent of applications, operating systems, and hardware. PDF files are based on the PostScript language image model, which ensures accurate colors and accurate printing effects no matter what kind of printer is used. That is, PDF will faithfully reproduce every character, color, and image of the original document.
Portable Document Format is an electronic file format. This file format has nothing to do with the operating system platform, that is to say, PDF files are universal whether they are in Windows, Unix or Apple's Mac OS operating system. 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 beginning to use PDF format files.
Free software
Reading tools
1, Adobe AcrobatReader
Application platform: Windows XP Service Pack 3 (32-bit) or Service Pack 2 (64-bit); Windows Server 2003 R2; Windows Server 2008 or 2008 R2; Windows 7; Windows 8 or 8.1; Windows 10.
Type: Free software
Introduction: The official reader allows you to read PDF documents, fill in PDF forms, view PDF file information, quickly edit PDF documents, and convert to Word and Excel. Good stability and compatibility. The disadvantages are that it is bulky and slow to start.
2. Foxit Reader
Type: Free software
Supported platforms: Windows series/Mobile platform/Linux
Introduction: Can achieve most reading function. green software. Small size and fast startup speed.
3. Baidu Reader
Type: Free software
Supported platform: Windows series
Introduction: Can realize most reading functions. Supports mainstream formats such as epub, pdf, txt, doc, ppt, etc.
Conversion tool
1. Kingsoft WPS
Type: Free software
Supported platform: Android platform
Introduction: Free domestic office software, can convert documents into pdf format
2, Pdf995 Printer Driver
Type: Free software
Supported platform: Windows series
Introduction: After installation, a printer named PDF995 will be added. As long as you select Print to PDF995 on the software that provides printing, you can print the entire document and save it as PDF.
3. Easy PDF to Word converter
Type: Free software
Supported platform: Windows series
Introduction: It can easily convert text PDF to Word, while retaining the style and ranking of the original PDF document. It also supports batch conversion. It is a useful little software that is necessary for office work.
For more related knowledge, please visit the FAQ column!
The above is the detailed content of What software is pdf. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1393
52
37
110
How to merge PDFs on iPhone
Feb 02, 2024 pm 04:05 PM
When working with multiple documents or multiple pages of the same document, you may want to combine them into a single file to share with others. For easy sharing, Apple allows you to merge multiple PDF files into one file to avoid sending multiple files. In this post, we will help you know all the ways to merge two or more PDFs into one PDF file on iPhone. How to Merge PDFs on iPhone On iOS, you can merge PDF files into one in two ways – using the Files app and the Shortcuts app. Method 1: Using Files App The easiest way to merge two or more PDFs into one file is to use the Files app. Open on iPhone
How to embed a PDF document in an Excel worksheet
May 28, 2023 am 09:17 AM
It is usually necessary to insert PDF documents into Excel worksheets. Just like a company's project list, we can instantly append text and character data to Excel cells. But what if you want to attach the solution design for a specific project to its corresponding data row? Well, people often stop and think. Sometimes thinking doesn't work either because the solution isn't simple. Dig deeper into this article to learn how to easily insert multiple PDF documents into an Excel worksheet, along with very specific rows of data. Example Scenario In the example shown in this article, we have a column called ProductCategory that lists a project name in each cell. Another column ProductSpeci
3 Ways to Get Text from PDF on iPhone
Mar 16, 2024 pm 09:20 PM
Apple's Live Text feature recognizes text, handwritten notes and numbers in photos or through the Camera app and allows you to paste that information onto any other app. But what to do when you're working with a PDF and want to extract text from it? In this post, we will explain all the ways to extract text from PDF files on iPhone. How to Get Text from PDF File on iPhone [3 Methods] Method 1: Drag Text on PDF The easiest way to extract text from PDF is to copy it, just like on any other app with text . 1. Open the PDF file you want to extract text from, then long press anywhere on the PDF and start dragging the part of the text you want to copy. 2
How to verify signature in PDF
Feb 18, 2024 pm 05:33 PM
We usually receive PDF files from the government or other agencies, some with digital signatures. After verifying the signature, we see the SignatureValid message and a green check mark. If the signature is not verified, the validity is unknown. Verifying signatures is important, let’s see how to do it in PDF. How to Verify Signatures in PDF Verifying signatures in PDF format makes it more trustworthy and the document more likely to be accepted. You can verify signatures in PDF documents in the following ways. Open the PDF in Adobe Reader Right-click the signature and select Show Signature Properties Click the Show Signer Certificate button Add the signature to the Trusted Certificates list from the Trust tab Click Verify Signature to complete the verification Let
How to process PDF files using PHP
Jun 19, 2023 pm 02:41 PM
As a universal file format, PDF files are widely used in various application scenarios, such as e-books, reports, contracts, etc. During the development process, we often need to generate, edit, read and other operations on PDF files. As a scripting language, PHP can also easily complete these tasks. This article will introduce how to use PHP to process PDF files. 1. Generate PDF files There are many ways to generate PDF files, the most common of which is to use the PDF library. PDF library is a tool that generates PDF documents for
How to convert pdg files to pdf
Nov 14, 2023 am 10:41 AM
Methods include: 1. Use professional document conversion tools; 2. Use online conversion tools; 3. Use virtual printers.
How to import and annotate PDFs in Apple Notes
Oct 13, 2023 am 08:05 AM
In iOS 17 and MacOS Sonoma, Apple added the ability to open and annotate PDFs directly in the Notes app. Read on to find out how it's done. In the latest versions of iOS and macOS, Apple has updated the Notes app to support inline PDFs, which means you can insert PDFs into Notes and then read, annotate, and collaborate on the document. This feature also works with scanned documents and is available on both iPhone and iPad. Annotate a PDF in Notes on iPhone and iPad If you're using an iPhone and want to annotate a PDF in Notes, the first thing to do is select the PDF file
How to export xmind files to pdf files
Mar 20, 2024 am 10:30 AM
xmind is a very practical mind mapping software. It is a map form made using people's thinking and inspiration. After we create the xmind file, we usually convert it into a pdf file format to facilitate everyone's dissemination and use. Then How to export xmind files to pdf files? Below are the specific steps for your reference. 1. First, let’s demonstrate how to export the mind map to a PDF document. Select the [File]-[Export] function button. 2. Select [PDF document] in the newly appeared interface and click the [Next] button. 3. Select settings in the export interface: paper size, orientation, resolution and document storage location. After completing the settings, click the [Finish] button. 4. If you click the [Finish] button