Merge PDF

Merge PDF documents into one with free online PDF combine tool

or drop file here

How to combine PDF files online

  1. Click the Select a file button
    Drag and upload the files you want to combine onto this page.
  2. order decision
    Rearrange the files in the order you want.
  3. Please wait a moment
    Please wait while the files are being combined.
  4. Click the download button
    You can download the combined PDF document by clicking the download button.

More about Merge PDF Tool

Simple and easy

Simple and easy online tool to combine PDFs

With the PDF combiner, you can easily combine multiple PDF files and various files into a single PDF document in just a few clicks. It's very simple, so you don't need to read a separate manual for PDF combinations. You no longer need to install the software to combine PDFs. Now try it online in your browser!

Mouse drag

Easy PDF combining with preview

Simply drag and drop the multiple files you want to combine into the box above and the files will automatically start uploading. When files are uploaded, thumbnails of all files are created. To change the order in which the files should be combined, click and drag a thumbnail to a different location. If you set the wrong order of the files to be combined, you can return them to their original order through the initialization function.


Fast PDF merging speed and convenience

Online PDF combiner ensures fast speed and reliable working efficiency from uploading PDF files, merging files and downloading the combined PDF files. Users can easily merge multiple PDF files and other files like Word, PowerPoint, Excel and JPG into one in seconds. It also provides the ability to resize combined PDFs to A4 paper size in batches for efficient printing operation.

Keep original formatting

Keep original formatting

Our PDF merge tool merges files while preserving the original formatting and quality of all documents. You don't have to worry about the quality of the merge because the text, tables, graphs, and formatting are preserved in the original document.

Automatic Deletion

Automatic deletion

After you have finished working with your digital documents using our online PDF tools, you can download the files from our servers and manually delete them yourself. Don't worry if you forget to delete a file. To protect user data, all files on the server are designed to be permanently deleted after 30 minutes. No one can access your files and your privacy is 100% secure.

Processing in the cloud

Process in the cloud

All PDF processing is done completely in the cloud, so it does not consume any resources on your computer. You can use all PDF tools for free through your web browser anywhere you have an internet connection. You no longer need to install or update software to work with digital documents.

Did you know?

Why merge PDF files?

Portable Document Format (PDF) is a popular file format for sharing digital documents. It has the advantage of preserving the document's original formatting and layout, making it a highly reliable document format for sharing important information. In some cases, you may need to combine multiple PDFs into one file. Let's take a look at some of the reasons merging PDF files can be beneficial for your business and some key points to consider.

Easy data sharing

From time to time, many people are complaining about some problems with sharing files through websites. Most websites and social networks today allow users to upload multiple files at once, but there are sites online that have strict rules and regulations regarding file uploads. For example, if a university website only accepts single file attachments, uploading documents such as letters of recommendation and academic background would be complicated. In this case, merging the files into a single PDF document is the best solution.

Efficient document management

If you're working on a large project that requires multiple people to submit or share documents, managing your documents by combining them into PDFs will make things a lot simpler. For example, let's say you work in the management department of a company that makes games. Various report documents are submitted to you by various departments related to the project. Reports and comments from various team members, including planners, developers, and designers, are included. In this case, it is not easy when the data you need is scattered in different documents and you want to find a specific part urgently. In this case, merging report documents into a PDF file will improve work efficiency.

Faster and more convenient printing

When managing individual files, you have to repetitively open and print the files one by one when printing. This is very tedious and requires a lot of patience. Also, you may not be able to keep track of how far you have printed. By combining the files you manage into a single PDF document, you can print related documents all at once without missing a document.

File compatibility with all operating systems

Sometimes, depending on your environment, you may not be able to access certain documents. For example, when sharing report data with friends, there may be Word, PowerPoint, and Excel files in addition to PDF files. In this case, if your friend's PC doesn't have Microsoft Office software installed, you won't be able to access those files. However, if you create and share a single PDF file, you can access it without affecting your PC's operating system and software environment. Plus, because PDFs are mobile-friendly, you can conveniently review documents using your smartphone.


Why choose our online service to combine PDFs?

Our free online PDF merging service is a tool that provides users with the basic functionality of merging and rearranging PDF files, as well as automatically converting and merging multiple file formats to PDF. These amazing features make your PDF merging function simpler and more flexible. Also, based on fast performance and secure file protection technology, Online PDF Merge is the best tool to combine PDFs without the hassle of installing the program on your PC. Our service is available on any device, such as Windows, MacOS, Linux, or Android, where you can use a web browser. We will maintain a really simple, user-friendly policy that does not require the user's personal information such as login, registration, email provision, etc. to use the service.


FAQs about our online PDF combiner

In what order are PDF files combined?

When a user uploads a file, a thumbnail of the file is displayed. Files in the first thumbnail list appear first in the merged PDF.

What file formats does Online PDF Combiner support?

It supports file formats such as MS-Word, Excel, PowerPoint, HTML, AutoCAD, PDF, and images that users typically use. It supports most files that users use in a typical business environment. Onlinepdfconverter currently supports more than 50 file types and is expanding its services to support more file types.

Do I need to install any additional extensions or software on my browser or PC to combine PDFs?

No. All work can be done online in an environment where you can use a web browser. You do not need to install any software or additional add-ons before using the service.

Can I rearrange the order of PDF files before combining them?

Yes, it's possible. Users simply drag and drop the thumbnails of the files to the location where they will be relocated for rearrangement. The use is very simple and intuitive. If the order to relocate is incorrect, it can be easily initialized.

Is Onlinepdfconverter free to use?

Yes. Anyone can use it anywhere for free without having to log in or sign up. In addition, users can access unlimited PDF merge services without limitation.


PROS: Can combine up to 20 docs (PDF, Word, Excel, PPT, image files, etc.). Completely free. No login/registration. No watermark on the converted files. Accessible from any device or OS. Very intuitive interface and super easy to use. Good security protection as an online service (e.g., users can delete the file directly from the server. Otherwise, files are automatically deleted within 30 minutes)

CONS: No batch jobs allowed. Limited sync features with major cloud services, etc.

OVERALL: I'd give it a high score (5/5)


This is a very reliable website that serves most of the PDF-related needs for work. It covers most of the file formats used in the office, and I love its simple drag-and-drop UI. Very simple and easy to use. This is probably the only free service I know that allows unlimited use (e.g, maximum number of conversions). I hope it remains free!


I guess this was primarily designed for students, etc. because it's free, but I actually consider this Online PDF Conversion Service to be a great business service platform as it provides practically all the tools for PDF work (at least the same service as other Euro services). The great thing about this service is that it is available on the web and Windows/Mac/Linux. It doesn't support Dropbox and Google Drive access, though - maybe something to be added in the next version?