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How to merge PDF files

Diagram for pdf merge


PDF is one of the most commonly used document types. In some cases, you may have been asked to merge your PDF files into one PDF file before submitting it, or you may have scanned a multi-page paper document to a bunch of single page PDF files and want merge them to a single PDF file. This tutorial provides a perfect solution for merging your PDF files. No software needs to be installed & You don’t need to worry about your files’ security being compromised.

Tools: PDF Merge. Modern browser such as Chrome, Firefox, Safari, Edge, etc.

Browser Compatibility

  • Browser that supports FileReader, WebAssembly, HTML5, BLOB, Download, etc.
  • Don’t be intimidated by these requirements, most browsers in the recent 5 years are compatible

Operation Steps

  • First open your web browser and by doing one of the following, you will see browser showing as per below image
    • Option 1: Enter the following "" showing as #1 in below image OR;
    • Option 2: Enter the following "", then open PDF Merge tool by navigating "PDF Tools" => "PDF Merge"
    Tutorial image for pdf merge web page
  • Click button "Select PDF Files" (showing as button #2 in above image) to select PDF files
    • You can select as many files as you want and you can select as many times as you want.
    • Your selected files will be showing in box #3
    • Drag and drop files to arrange them to the order you want them in the merged pdf file
  • Click button "Start Merging" (showing as button #4 in above image) to start merging, it may take some time if files are large
  • Once merging has completed, the merged file will be presented in the position shown in the image #5 as shown on above image, and you can simply click on it to download
    • The download link will be showing after successfully merged PDF files
  • We also support preview for the merged file, in the box shown in the image #6 as shown on above image, you can get a quick look before you download

Tricks for sorting your PDF files

  • Copy all your PDF files to be merged to a folder, after click select files, navigate to that folder, and select all the PDF files
  • Rename your PDF files like 1_PdfFoo.pdf, 2_PdfBar.pdf, ..., after select PDF files, click the button "" to sort your files by name. Here is an example to show how it works
    • Suppose you have some PDF files in a folder, and you need merge them in a specific order, here is the order which originally in the folder:
      • My PDF Folder
        • BirthCertificate.pdf
        • CreditReport.pdf
        • CreditScore.pdf
        • EmploymentVerificationLetter.pdf
        • I-797ApprovalNotice.pdf
        • LegalEvidenceOfNameChange.pdf
        • MarriageCertificate.pdf
        • MortgageStatement.pdf
        • OfficialAppraisal.pdf
        • Passport.pdf
        • Paystub_1.pdf
        • Paystub_2.pdf
        • Paystub_3.pdf
        • PropertyTax.pdf
    • You can rename them with well-tuned prefixes, so they are ordered as you wish:
      • My PDF Folder
        • 01_1_EmploymentVerificationLetter.pdf
        • 02_1_Passport.pdf
        • 03_1_I-797ApprovalNotice.pdf
        • 04_1_BirthCertificate.pdf
        • 05_1_MarriageCertificate.pdf
        • 06_1_Paystub_1.pdf
        • 06_2_Paystub_2.pdf
        • 06_3_Paystub_3.pdf
        • 07_1_LegalEvidenceOfNameChange.pdf
        • 08_1_PropertyTax.pdf
        • 09_1_OfficialAppraisal.pdf
        • 10_1_MortgageStatement.pdf
        • 11_1_CreditReport.pdf
        • 11_2_CreditScore.pdf
    • Notice: selected files may not show as their original order, browser may read them in parallel, so that the smaller one tends to appear in the front. You may need click the button "" to sort your files manually

Have fun and hope this tutorial helps

  • If you encounter any problems, please take a look at our FAQ pages, if this doesn’t help, please let us know Contact Us