Merge PDFs

Combine multiple PDF files into a single document

Drag & drop your files here

or to upload

Up to 100 files Max 500 MB • PDF only

About the PDF Merge Tool

Merging PDF files lets you combine multiple documents into a single, easy-to-share PDF. Whether you are combining a cover letter with a resume, joining chapters of a report, or assembling a multi-section contract, our free PDF merge tool makes the process instant and effortless. No software to install, no account to create — just upload, reorder if needed, and download your merged PDF.

How to use the PDF Merge Tool

  1. 1

    Upload your PDF files

    Click the upload area or drag and drop multiple PDF files. You can upload as many files as you need at once.

  2. 2

    Reorder the files

    Drag the file cards into the order you want them to appear in the final merged PDF.

  3. 3

    Click Merge PDFs

    Hit the merge button and your combined PDF will be generated in seconds, entirely in your browser.

  4. 4

    Download the result

    Download your merged PDF file. It is automatically named with a timestamp so you can find it easily.

Why use PDFanything?

  • +Completely free with no usage limits
  • +No account or sign-up required
  • +Files never leave your device — 100% private
  • +Automatically normalises page sizes when files differ
  • +Works on all browsers and devices including mobile
  • +No watermarks added to the output file

Frequently asked questions

How do I merge PDF files online for free?

Upload your PDFs, drag to reorder, click Merge PDFs, and download. The entire process takes under 30 seconds.

Is there a limit on how many PDFs I can merge?

No. You can merge as many PDF files as you need with no cap on file count or total file size.

Are my files uploaded to a server?

No. All processing happens in your browser. Your files are never uploaded to any server and remain completely private.

Can I reorder pages before merging?

Yes. After uploading, drag and drop the file cards into your preferred order before clicking merge.

What if my PDFs have different page sizes?

PDFanything automatically normalises all pages to a consistent width when merging, preserving aspect ratios throughout.

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