Merge PDF files

Select multiple PDF files and merge them together, in seconds. Drop your first PDF file, upload your second, and then click merge. Easily combine PDF files online for free.
Merge PDF

or drop your first file here

You’re in good company

  • Remax
  • Netflix
  • NZSO
  • Century21
  • Deloitte
  • airbnb
  • Zillow
  • uber

Try Lumin’s merge tool

  • Merge PDF files together

    Merge PDF files together

    Lumin makes two become one. Upload files from your desktop or straight from Google Drive and combine them with our handy Page Tools.
  • Shape your document

    Shape your document

    Simply drag and drop thumbnails to organize pages. For larger documents, use our page positioning function.
  • Do more than merge

    Do more than merge

    Use Lumin's full suite of Page Tools to do even more. Split, crop, add, delete or rotate PDFs until it's all looking exactly how you want it.
More impact, less admin.
Merge PDFs online free.

How to merge PDF files


Upload your file

Select a PDF from your computer or via Google Drive/Dropbox. You’ll need to sign up for a free account if you haven't already.


Add files to merge

Once you've opened your first file, click the ‘Upload files’ button on the left to select those you want to merge.


Merge and go

Once all your files are in, click the 'Merge' button on the left. You can now download, print or share your merged PDFs.

One platform for all your PDF tools

Explore our plans


For casual users trying out Lumin

$0 USD

$0 USD

Free includes:
  • Annotate 3 docs
  • Digitally sign PDFs
Most popular


For busy professionals or small teams

A small team is 5-10 people

$19 USD

Per month, per team

$19 USD

Per month, per team

Everything on Starter, plus:
  • 30 docs per month team-wide
  • Edit PDF text
  • Split documents
Looking for a team or business plan?View plans

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PDFs merged
in seconds

 PDFs merged<br/>in seconds

Frequently asked questions

  • Is Lumin's merge tool free?

    Yes! You can merge up to 3 documents per month per month for free. If you're a power merger, you can upgrade to our Pro plan.

  • How do I use Lumin?

    Lumin works on your browser, or you can download our desktop app and keep Lumin handy on your computer. We’ve also got a mobile and tablet app which includes our most popular features.

  • Can I merge PDFs on mobile?

    Our mobile app doesn't have the merge feature currently. Stay tuned, it'll be here real soon!

  • How many pages can I include in a merged PDF?

    The merge PDF tool allows unlimited pages. We do have a file size limit of 20MB for the Free plan and 200MB for the Pro plan.

  • Can I delete and reorder pages after I merge files?

    After uploading a PDF document, you can easily delete and reorder pages by dragging and dropping them into their placement. Simply hover over the page thumbnail to delete, reorder or rotate pages.

  • Can I merge a JPG with a PDF?

    Yes, you can merge a JPG with a PDF using the Merge tool. However, when you download the merged file from Lumin it will be a PDF - you may need to convert it back to JPG.