Can I combine PDF files free online?

Question: I have a PDF file of a magazine article. For some reason, when the original author put the article up online, he split each page of the article into a separate PDF file. In and of itself, not bad, just annoying. Is there a program that I can use to merge all of the files together to create an amalgam of the entire article? If there is some free online application on VeryPDF that would be better?

Answer: When you need to combine PDF free online, maybe you can have a free trial VeryPDF cloud based application named VeryPDF PDF Merger Cloud API, by which you can merge several PDF files into one PDF file, or extract some pages from some PDF files and merge them into a new PDF file. This API can merge online PDF file within browser. As you need to put the article up online, there must be URL of each PDF file. Simply merge PDF file through URL, a few seconds later, you will get an output URL in a new tab where you can download the merged PDF file through URL. Please check more information of this software on its homepage, in the following part, I will show you how to use this software.

Combine PDF file free online within browser.

  • No matter what your computer system is, only there is browser installed and web net connection is available, the combining process could be done without any problem.
  • Simply open browser and input URL following below examples.
    http://online.verypdf.com/api/apikey=XXXXXXXXXXXXX&app=
    pdftoolbox2&infile1=http://online.verypdf.com/examples/cloud-api/verypdf.pdf&infile2=http://online.verypdf.com/examples/cloud-api/multipage.pdf&infile3=http://online.verypdf.com/examples/cloud-api/verypdf2.pdf&outfile=
    out.pdf&cat=A&B&C
  • A     infile1     http://online.verypdf.com/examples/cloud-api/verypdf.pdf
    B     infile2     http://online.verypdf.com/examples/cloud-api/multipage.pdf
    C     infile3     http://online.verypdf.com/examples/cloud-api/verypdf2.pdf
    D     infile4     ......
    E     infile5     ......
    F     infile6     ......
    ...     ......          ......
    Following the above URL, you can combine PDF free as many as you need. In the above example, we can combine three PDF files. When you run the real combining, please change the URL of sample PDF files to the real PDF files URL. Connect each online PDF URL by symbol &. At the beginning of the URL, please add parameter of infile +file number. And at the end of the URL, please specify the output PDF file leading by parameter outfile=. Here are more parameters for your reference:

  • security_Printing:                     Top Quality Printing
  • security_DegradedPrinting:  Lower Quality Printing
  • security_ModifyContents:      Also allows security_Assembly
  • security_Assembly:                    By this parameter, you can set password but allowing document Assembly.
  • security_CopyContents:           Also allows security_ScreenReaders
  • security_ScreenReaders          When you need to allow ScreenReaders  after setting password, please add this parameter.        
  • security_ModifyAnnotations: Also allows security_FillIn
  • security_FillIn                              When you need to allow fill PDF form after setting password, please add this parameter.        
  • security_AllFeatures:              Allows the user to perform all of the above, and top
    quality printing.

By above parameters, you can also set password after combining PDF files. Even if there will be watermark on output PDF file, this API is really free online. When you need to remove watermark, please buy one API code which is quite cheap. During the using, if you have any question, please contact us as soon as possible.

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