Adobe Acrobat

Merge PDF files

Drag and drop PDFs to merge them into one file with our PDF combiner.

Merge PDF files for free

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Join millions of users who have successfully merged PDFs using Acrobat.
*Over an 18-24 month period.

How to merge PDFs online

Combine your PDF documents into one file with the online PDF merger tool. Follow these five simple steps to get started:

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  1. Click Select files or drag and drop your document into the drop zone.
  2. Choose the PDFs you’d like to combine using the merge PDF online tool.
  3. Rearrange the order of your files so everything flows as you need.
  4. Select Merge files to bring everything together.
  5. Download your newly merged PDF. Sign in to save, share, or even organise pages within your combined PDF file.

Try Our free PDF Merger

With Adobe Acrobat’s online PDF merger, you can combine PDFs into one file in just a few clicks. It’s free, secure, and works on any device—so you can manage your documents wherever you are.H3: Combine PDFs into one file

Using our PDF merger tool to combine PDF files into a single file is quick and simple. Just add the files, merge them and you're ready to read, edit or share.

https://main--dc--adobecom.aem.page/dc-shared/assets/images/shared-images/frictionless/seo-icons/merge-into-one.svg | An Acrobat PDF with a plus sign to represent merging two or more PDFs

Simplify your document with a merged PDF

Combining multiple PDFs into one document means that you can store and review them easily. You'll also be able to share your files with others - just email them a link to your single, merged PDF file.

https://main--dc--adobecom.aem.page/dc-shared/assets/images/shared-images/frictionless/seo-icons/organize-pdf.svg | Two pages of a document with arrows to demonstrate how you can organise a PDF document

Organise your PDF online

Once you've merged your PDF files, just sign in to organise and rearrange the individual pages. Move, add, delete or rotate your PDF pages until you’re happy with the final document.

https://main--dc--adobecom.aem.page/dc-shared/assets/images/shared-images/frictionless/seo-icons/download-and-share.svg | A download arrow with a small cloud showing that you can easily download your merged file

Download your document and share it

You can download your combined PDF file in just a click. Then, it's super simple to edit, share and print your PDF.

https://main--dc--adobecom.aem.page/dc-shared/assets/images/shared-images/frictionless/seo-icons/work-in-any-browser.svg | Two browser icons with a mouse arrow pointing to an Acrobat PDF to show that you can work with PDFs in any browser

Use our PDF joiner tool in any web browser

The Adobe Acrobat PDF merger online tool can be used in any web browser, including Microsoft Edge and Google Chrome. You can also use it on Mac, Windows and Linux operating systems.

https://main--dc--adobecom.aem.page/dc-shared/assets/images/shared-images/frictionless/seo-icons/best-pdf.svg | A single PDF file showing the result of combining PDFs with the best online PDF tool

Use the best PDF combiner

Adobe invented the PDF file format. So you can trust our PDF editor tools. Use our quick and easy PDF combiner to merge documents and make your work easier to access and understand.

Questions? We have answers.

Is there a free PDF merger?

Yes, our online PDF merger tool is completely free to use. Simply drag and drop your documents into the upload area or click Select files. Once added, you can reorder them as needed, then click Merge files to create your finished document.

The process is fast, straightforward, and maintains the quality of your original files. To save, download, and share your merged PDF, you’ll just need to sign in or create a free Adobe account for access to other helpful Acrobat tools.H3: How do I combine multiple PDFs into one PDF?

It’s simple to bring all your PDF documents together with Adobe’s free PDF merger. You can use the online tool to quickly combine PDFs into one file, or merge them directly in Adobe Acrobat.

To combine three or more files in Acrobat:

  1. Open Adobe Acrobat.
  2. Go to Tools and click Combine files.
  3. Select Add files and upload the PDFs you want to merge, up to 100 at a time.
  4. Drag and drop to arrange them in the order you prefer.
  5. Click Combine files.
  6. Save your newly merged PDF document.

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In what order will my merged PDF files appear?

When you use Adobe’s PDF combiner, your files will appear in the exact order you set. Simply drag and drop the documents into position, or select them one by one. The first file in your list becomes the first page in your merged PDF.H3: How many pages can I include in a merged PDF?

With Adobe’s online PDF merger, you can easily combine up to 1,500 pages in one PDF document. You can merge up to 100 PDF files, with each individual document limited to 500 pages.H3: Can I delete and reorder pages after I merge files?

Yes. With the Adobe Acrobat PDF merger tool, you can reorder, add, or delete files before you merge PDF files into one. Once your combined PDF is created, simply sign in to move, rotate, or remove individual pages.

You can also share the file for comments across any browser or device. Start a 7-day free trial of Acrobat Pro to unlock full editing features, including inserting page numbers, splitting PDFs, adding watermarks, and converting to Word, Excel, or PowerPoint.

Is it safe to use Adobe’s PDF merge tool?

Yes, Adobe’s PDF merge tool is one of the safest available. Adobe is committed to your privacy and security.

Is there an app to merge PDF files?

Yes. With the Adobe Acrobat Reader mobile app, you can view, print, and edit PDFs from your smartphone. If you want to merge PDF files or combine PDFs into one, you’ll need Adobe Acrobat Pro. This powerful PDF merger app gives you the tools to join, edit, and share documents quickly, whether you’re at your desk or on the move.

Is there an option to compress PDF files?

Yes, simply upload files from your computer to our online PDF compressor. If you need to compress other files, such as JPGs, you can first convert your image file from JPG to PDF and then upload the PDF to our compressor. Adjust the file size as needed. Alternatively, you can use the offline version of Acrobat to perform the same action.

What file formats are supported for merging?

With Adobe Acrobat’s online tools, you can merge any PDF files – providing they are no more than 500 pages long.

You can also combine other file types and extensions into your PDFs, including:

  • Microsoft Word – .doc or .docx
  • Microsoft Excel – .xls or .xlsx
  • Microsoft PowerPoint – .ppt or .pptx
  • Image file formats – .bmp, .gif, .jpeg, .jpg, .png, .tif, .tiff
  • Rich Text Format – .rtf
  • Text file – .txt
  • Adobe Illustrator – .ai
  • Adobe InDesign – .indd
  • Adobe Photoshop – .psd
  • Fill & Sign form format – .form

What’s the best way to combine files offline?

If you’re often working offline, you might want to use Adobe Acrobat for desktop to merge your PDF files. You’ll need to have the Acrobat programme installed on your computer. Once installed, you can then merge multiple files into a single PDF using the Tools tab.

Merge PDF resources

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