Merge PDF

Merge PDF files into a single PDF online

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Combine two or more PDFs into one document. Upload multiple files, arrange them in the order you need, and merge them in seconds.

or drag and drop PDF files here
    
  Drag & drop files to re-order
  You can apply different ranges to different files by selecting the file you want to split.
  Each page or range becomes its own PDF. You can apply different pages to different files by selecting the file you want.
  List the pages to remove — the rest of the document stays untouched. At least one page must remain.
  Anyone opening the file will need this password. Save it somewhere safe — a lost password cannot be recovered.
  Type the password the file currently opens with — the copy you download won't ask for it anymore.
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Private and Secure PDF Merging

Your files travel over an encrypted connection and are permanently deleted from our servers within a few hours.

Combine Multiple PDFs Into One

Join two or more PDF documents into a single file in seconds, right in your browser — no software to download or install.

Reorder Files Before You Merge

Drag and drop to set the exact file order, then merge everything into one PDF document that's ready to share.

The Simple Way to Combine PDF Files

Upload your documents, put them in order, and download one merged PDF — online, in seconds.

How to Merge PDF Files Online

  1. Add your PDF files — drop them into the box above or pick them from your device.
  2. Drag the files into the order you want them to appear.
  3. Click Merge and download your combined PDF.
Drag and drop to set the exact file order, then merge everything into one PDF document that's ready to share.

A Secure Online PDF Merger

Combine PDF files right in your browser — nothing to install. Your documents travel over an encrypted connection and are permanently deleted from our servers within a few hours. Start right away and upgrade when you need higher limits.

Secure PDF processing with automatic file deletion

Keep Working with Your Merged PDF

Need to go further? Compress the merged PDF so it's easy to email, split it back into separate documents, or convert it to Word for editing.

See all PDF tools
Converting PDF to Word, Excel, PPT, and JPG

Merge PDF — Frequently Asked Questions

How do I merge PDF files online?

Add your PDF files to the box above, drag them into the order you want, and click Merge. Your combined PDF is ready to download in seconds.

Is it safe to merge PDF files with ZonePDF?

Yes. Files travel over an encrypted connection, are processed automatically, and are permanently deleted from our servers within a few hours.

Can I change the file order before merging?

Yes — drag and drop the uploaded files into any order. The merged PDF follows exactly the order you set.

How many PDF files can I combine at once?

You can combine a large batch of PDF files in a single merge. Without an account there is a cap on how many files the workspace holds at once — sign in to raise it. Need to join more? Merge in batches: a merged PDF can be merged again.