I'm looking to merge a couple .pdf files for a one-off and don't want to install anything on my PC.

Anyone know of any web apps which will let me merge .pdf files?

closed as off-topic by Alex, pnuts, John C, ale, jonsca Dec 17 '14 at 3:29

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Application/website recommendations are off-topic and out of scope. It is better instead to use a particular web app or website and ask for help in any issues you have with it specifically." – Alex, pnuts, John C, ale, jonsca
If this question can be reworded to fit the rules in the help center, please edit the question.


You can use Google Docs to upload, modify and combine PDFs, then output it as a new PDF. Might cause some formatting issues if the PDF contents are really funky, but it's free and easy and you probably already have a Google account.

  • How can you modify & combine PDFs? Can you please provide the steps – mvark Nov 14 '12 at 8:38

While not a webapp, you may be interested in PDFTK Builder Portable - a version of PDFTK Builder that can be run without installation on Windows.


Have a look at PDF Mergy. Allows to merge pdf files with a drag and drop interface. Requires a recent HTML5-capable web browser.

I know this comes a bit late, but maybe it helps anybody who happens to stumble across this.


PDF Rider is an open source project on Codeplex. This utility provides a GUI for the command-line program Pdftk.

PDFSAM (PDF Split and Merge) is another free, open source utility to split and merge pdf files.

I've tried both in the past & found PDF Rider to be faster than PDFSAM.



This service enables you to combine PDF documents into a single one, free of charge. All you need to do is select the PDF documents that you want to merge together on your computer and click a button, as instructed below.

  1. pdfonline.com
  2. PDFJoin
  3. PDFHammer
  • 1
    if pdfonline is point 1 does that make MergePDF 0 ? :) – phwd Aug 1 '10 at 0:30

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