Merge PDF

Combine multiple PDF files into a single PDF, in whatever order you choose.

About this tool

Merging combines two or more PDF files into a single document, in the exact page order you specify — the most common thing people need a PDF tool for, whether that's stitching together scanned pages or combining separate reports into one file.

How to use it

1. Add two or more PDF files by dropping them in or clicking to browse.
2. Drag the file previews to reorder them into the order you want them merged.
3. Click Merge PDF, review the summary, then confirm to download the result.

FAQ

Are my PDFs uploaded to a server to be merged?

No — merging happens entirely in your browser using pdf-lib, a client-side PDF library. Nothing you upload ever leaves your device.

Is there a limit to how many files I can merge?

No artificial limit, but merging is done in memory in your browser, so an extremely large number of large PDFs may be slow depending on your device.

What happens to the original files?

They're untouched — merging reads from your uploaded files and produces a brand-new PDF; nothing is modified in place.

Related tools

• Compress PDF
• Split PDF
• Organize PDF
• Protect PDF
• Word to PDF
• Image to PDF
• Add Page Numbers
• Add Watermark

Guides & comparisons

• Best Free PDF Merge Tools: iLoveDevTools vs iLovePDF
• iLovePDF Alternative: A PDF Suite That Never Uploads Your File
• Smallpdf Alternative: For When You Just Need the PDF Done
• Adobe Acrobat Online Alternative: Simple PDF Tasks Without the Subscription

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