how to make pdf file writable

itext5.5.11 jar itext5.5.11 jar download, itext dll, which downloads itext5.5.11 DLL packages. In fact, Java and C # are the same when using Itext. I'll give you some examples of PDF operations below. Are some examples of processing PDFs, for how to make a PDF file can go to itext website to find information. Processi

itself, it is best not to set too much of this type of file (unless necessary) to ensure the security of the system, to avoid the bug of some programs to make the system compromised.Example 4:$ chmod a–x mm.txt$ chmod–x Mm.txt$ chmod ugo–x Mm.txtAll of the above three commands delete the execution permission of the file Mm.txt, and it sets the object to be all t

-rw-r--r--. 1apacheapache481 Month 700:46 admin.phpdrwxr-xr-x.3apacheapache4.0k1 Month 7 00:46api-rw-r--r--. 1apacheapache9911 Month 7 00:46api.phpdrwxr-xr-x.17apacheapache4.0k1 Month 717:23 caches-rw-r--r--. 1apacheapache1041 Month 7 00:46crossdomain.xml-rw-r--r--. 1apacheapache3.1k1 Month 700:46favicon.icodrwxr-xr-x.2apacheapache 61 Moon 717:20html-rw-r--r--. 1apacheapache 8.1k1 month 719:53index.html-rw-r--r--. 1apacheapache 3181 Moon 700:46index.php-rw-r--r--. 1apache Apache5231 Month 700:46

Many documents are transmitted in PDF format, although the PDF file itself is easy to transfer documents, but some file information, especially the picture content more documents, moving a few 10 trillion or even hundreds of megabytes, which is very inconvenient when transferring files. And the

added, click "Start Conversion" to do so. When the conversion is complete, click the button in the diagram to open the converted document and make changes.5, after the completion of the modification, according to the above steps, select the corresponding conversion mode, the document into a PDF format, so that the completion of the PDF

Some times we need make a series PDF from an single PDF Template From above two article we know how to make an single PDF. And how to add page to new pdf. From some other actile of Internet we may be get writer. copypolicform (Re

When Word converts to PDF, it finds that the PDF is quite large, in order not to change the PDF content, and try not to change the quality, using the "Save as" feature of Adobe Acrobat, which may reduce the size of the PDF, is a very useful technique to avoid our PDF documen

When you use Office software to make Word documents, you will often be asked to convert Word documents to PDF files (a small set is recommended here for Adobe PDF), so use the relevant conversion software. In the process of conversion will appear this and such problems, there are netizens asked: Word to the PDF failure

When you process some files, if you think it is important, you will set a password for the file, just like setting a password for your phone. If you need to view the password, you need to enter the password, in fact, the principles are similar. How can we encrypt a PDF file? Next let's take a look at the small series of operation methods. 1: In the first step, w

modifying some parameters.First, the search finds the "toword-vs2012" item and opens it.The code is simple, as follows: PDF fileString file = @ ".. \.. \.. \.. \.. \.. \data\sample5.pdf "; //open PDF Documentpdfdocument doc = new pdfdocument(); Doc. LoadFromFile (

(); Pdf. LoadFromFile ("Sample.pdf"); Step 2: get the first page of the PDF file Pdfpagebase page = PDF. Pages[0]; Step 3: Import the picture and set it to the background of the PDF file Image img = image.fromfi

Php uses ImageMagick to convert a PDF file to a JPG file ,. Php uses ImageMagick to convert a PDF file to a JPG file. this example describes how php uses ImageMagick to convert a PDF

I thought that when I tried to create a PDF component, I found that there were very few resources on the Internet. Most of the discussions were about itextsharp. Then download and try again. Start with several useful resources: This is a good Chinese Blog with detailed information about itextsharp. This is a useful article in the IBM knowledge base.ArticleBut it is implemented in Java.CodeIt should not be unfamiliar.With this article, you can

Use rst2pdf to generate a PDF file and rst2?sph= At the beginning, the project documentation was written using sphinx. After a set of rst, make html to get a complete and beautiful online document. Now I want to export the document as an offline handbook pdf, so I found the rst2pdf project as an extension of sphinx, an

In daily Office, Word and PDF are the formats we use most often, but unfortunately the two formats are not directly interchangeable. The problem of the interchange between Word and PDF can only be solved by ourselves. With Flashpaper, it's easy to convert a Word document into a PDF. Flashpaper is a commercial software, but in the probation period is enough for u

: ② Replacement method: Advantages: The method is simple and easy to operate. Disadvantage: the watermark still exists. After testing, if it is only used to process PDF files and solve the watermark, this method can be used. If it is used to export the file to a doc file, it has been tested, the watermark problem still affects the extraction and editing of file

PrefaceAs programmers, we all know, will always be technical little white ask all kinds of programming with no relationship to the hardware, software problems. Once a technical small white colleague asked if there is any way to merge PDF files, then they are also confused, because their work life is rarely to operate PDF files, and at that time the company to the developer's computer rights management is ve

];Step 3: Import the picture and set it to the background of the PDF fileImage img = image.fromfile ("img.jpg"); = img;Step 4: Save the file in PDF format, named "Imagewatermark.pdf" Pdf. SaveToFile ("imagewatermark.pdf");The image watermark was added as follows :Figure 1: Picture watermarkPart Two: Adding a text wa

This article describes how to use ImageMagick to convert a PDF file to a JPG file in php. it involves how to use ImageMagick to expand images in php and has some reference value, for more information about how to convert a PDF file to a JPG

becomes the preferred format for document interchange and transfer. After the new WPS text editing, click the "wps text" in the upper-left corner of the menu bar. Select "Output to PDF format ..." After the option appears in the dropdown bar. The dialog box appears as shown in Figure 1, by browsing or entering the specified file save location, press the OK button, you can export,