Merging PDF files together seems an easy task if you are using the right tool. There are so many options online you can test as free or freemium options. But what does a program need to do in order to provide a good result? Let’s see it from inside.

How to Merge a PDF File

How does online PDF merger work?

Most online tools use source codes in order to proceed with multiple pages of PDF creation. They allow the following features:

  •       Merge pages based on their size, number, page content;
  •       Create a structured PDF document from a randomized number of pages;
  •       Keep the document clean, stylish and unified;
  •       Sort pages by bookmark level.

Usually, if you merge PDF files online, the tool provides a simplified window where you can deposit, drag or upload your documents.

After clicking the button, you will be redirected to a page where you can select pages to be merged. In the end, you will finally get the result – a complete PDF document including all the pages you need.

How to Split PDF Online?

Both functionalities are based on the same algorithm. Online PDF splitter works smoothly while splitting a complex PDF file into multiple pages. Usually, there are a few settings to be done before to split PDF files:

  • You can extract multiple PDF pages from different files and then split them separately or merge together;
  • You may choose pages by their even or odd numbers, size, and type;
  • It is easy to rotate pages before PDF splitting.

As an output file, you will get a structured and clean PDF file ready for further editing or online signing.

Merge multiple PDF pages with

In order to proceed with the online application and merge PDF documents, go to

1. Choose Tools -> Merge PDF (from the main menu)

Merge PDF Files Online Free

2. Select any files from your computer, Dropbox or URL. Click ‘Proceed’.

Merge PDF Files Online

3. You will get the output with a preview option. You can restart the PDF File Merger, download or save it to Dropbox.

Check the preview to be sure that everything was done properly. Re-do if necessary. The files are stored within 1 hour. This free online PDF merger uses a secure protocol. 

Free Online PDF Merger


Split PDF into Multiple Files

You can easily divide a single PDF document into separate files with the same features using our page splitter.

In order to make the application work, go to 

Free PDF Splitter

1. Select any document from your computer, Dropbox or URL. If you want not only to split it but to merge separate parts of it – tick ‘Merge Parts’.

Split PDF pages

2. Once the document is uploaded, you can split PDF pages by selecting the ones you need from the list. After that, click ‘Proceed’ and enjoy the nice PDF output.

Split a PDF

3. Download the PDF or Save it to Dropbox. The file is stored within 1 hour under a secured protocol. 

You can start over with the same file or hide a preview. 

Recommend to your friend and get +100 credits for further usage.


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In this video, you will see how split and merge features work: