How to Open Multiple PDFs at Once

In the digital age, PDFs have become the default standard for sharing documents and information. It is not surprising to find many PDF documents on your desktops or mobiles. After all, we are dealing with multiple PDF files day in and day out. In many scenarios you may be required to open multiple PDFs at once. You may require these files to be opened in the same view so that you can see them together or even compare them. This article answers the question - How to open multiple PDFs at once? The best tool to use is UPDF.

Why You Need to Open Multiple PDFs

how to open multiple pdfs at once

In many situations you wish to open multiple PDFs at once. A few of the situations are listed below -

  1. If you are sending the same PDF file to different stakeholders with minor changes in the content of the PDF file, you will need to track the contents of the files. After all, the files are very similar to each other and only vary slightly in content. If you have to manually compare the contents of the files, it may prove to be a herculean task. This is especially true for very large PDF files. In this case if you can open multiple PDFs side by side and compare the contents it will ease out the task.
  2. Often you need to read contents from a PDF file and check another very different PDF file for accuracy against it. In this case it will be best to open multiple PDFs at once and check the accuracy.
  3. If you are in the academic world, you may need to often ensure that students have not copied their assignments or projects. If the assignments are in PDF format and you can open the PDF files from multiple students at once, it will make this job easier.

In all the above situations, you may wonder how to open multiple PDFs at once.


How to Open Multiple PDFs at once on Windows

Here is a quick tutorial for you to open multiple PDFs at once on the Windows operating system-

Step 1. Download UPDF for Free

The first step is to download and install the UPDF tool. The tool is supported on both Windows and Mac.

Launch the UPDF tool on your system.

Step 2. Open a PDF Document

You will now see an "Open File" button on the main interface of UPDF. Click on this button and choose the PDF document on your computer to open it.

how to open multiple pdfs at once

Step 3. Open Multiple PDFs at Once

UPDF tool is a unique tool that supports the functionality of opening different PDFs at the same time. If you want to open multiple PDFs, click the + icon of the top quick access toolbar.

how to open two pdf files side by side

Each PDF will open in a new tab, like opening tabs in a web browser. Click on the tabs to navigate from one PDF to another. You can open as many PDFs as you like side by side. You can also compare these files very easily using the UPDF tool.

In this way it is possible to open multiple PDFs at once on Windows using the UPDF software.


How to Open Two PDF Files Side by Side on Mac

If you are a Mac user searching for how to open two PDF files side by side, this tutorial has you covered. Follow the below steps to achieve the same and start comparing PDF files easily on your MacBook -

Step 1. Open a PDF Document on Mac

Install the UPDF tool on your MacBook. Launch the UPDF tool.

Click on the "File" menu and select the "Open" option. Select one of the PDF files you wish to open to compare.

how to open multiple pdf files at once

Step 2. Open Two PDFs Side by Side on Mac

You can now once again click on the "Open" option from the "File" menu and open another PDF file.

You will see that the file opens up in a new window. This creates a comparison view between the files and enables you to compare the contents of both the files.

open multiple pdfs at once

How to Open Multiple PDFs at Once in Adobe Acrobat

It is also possible to open multiple PDFs at once using Adobe Acrobat. Follow the below steps to open multiple PDFs at once in Adobe. -

  1. Download and install Adobe Acrobat on your system. The software is available on many operating systems including Windows and Mac.
  2. Open Adobe Acrobat and head to the 'Tools' section. Choose the 'Compare Files' option.
  3. Click on the 'Select File' option that appears on the left pane to choose the older file version you want to compare.
  4. Click on the 'Select File' option in the right pane to choose the other (newer) file version you want to compare.
  5. Click on the Compare button. Now, you will be able to view the comparison of the two PDFs at once.

In this way you can open 2 PDFs at once using Adobe Acrobat.

how to open multiple pdfs in one window

How to Open Multiple PDFs at Once Online

If you are wondering how to open multiple pdf files at once, you can do so inside your browser as well. You can use the Draftable online tool to achieve this. Follow the below steps -

  1. Using a browser, navigate to the Draftable website.
  2. Select Draftable Online and head to the Compare PDF Files section
  3. You will now see a web view with 2 buttons side by side.
  4. Using the left button, select one of the documents to open.
  5. Using the right button, select the second document to open.
  6. You can now see a comparison of both files with both files open side by side.

In this way you can open 2 PDFs side by side online.

how to open multiple pdfs at once

Why Choose UPDF to Open Multiple PDF Files at Once

It is clear from the above descriptions that UPDF is more feature rich and is a prefered way to open multiple PDFs at once. This can be attributed to the following reasons -

  • UPDF is completely free of cost. Adobe Acrobat comes with an expensive licence cost but UPDF does not even require your credit card details to get you started.
  • UPDF is a modern tool blessed with a delightful interface. UPDF makes your work with multiple PDF documents very seamless. Both technical and non technical users can quickly get started with the tool. In fact, the tool offers almost any action that you would like to perform on a PDF document. You can edit text and even read the PDF file in a very eyes-friendly PDF reader. You can edit text and read the PDF file in a very eyes-friendly PDF reader.
  • UPDF is extremely easy to use. Almost no training or learning curve is required to get started with this tool.

Due to the above reasons, it is clear that UPDF is the most preferred tool to open multiple PDFs at once.