Merge PDF files online — free and instant

Combine multiple PDFs into one

CloudProcessed on our servers — uploaded for this task only, not stored after download.

Choose two or more PDFs. Order below is top-to-bottom in the final file.

Drop PDF files here

or click to browse

Max 50.0 MB per file

Add at least 2 PDF files to merge

Up to 20 files · 50MB each

How it works

Step 1
Upload PDFs
Drop two or more PDF files — reorder as needed.
Step 2
Merge
We combine pages in your chosen order.
Step 3
Download
Save your single merged PDF instantly.

Popular uses

Combine scanned documents into one file
Merge invoices and receipts for expense reports
Join book chapters or report sections together

Frequently asked questions

Is it safe to upload my PDF?

Yes. Files are encrypted in transit (HTTPS) and deleted after processing. pdfCraft does not store or share your documents.

Do I need to create an account?

No account is required to use Merge PDF. Upload, complete the action, and download — free.

What is the maximum file size?

Free users: 50 MB per file, up to 50 pages. Pro users: 500 MB per file, unlimited pages.

Does it work on mobile and Mac?

Yes. pdfCraft runs in any modern browser on Windows, Mac, iPhone, and Android. No app install required.

How many PDFs can I combine at once?

Up to 20 files per merge, 50 MB each on free. Pro raises file size to 500 MB.

Will merging affect the quality of my PDF?

No. PDFs are combined without re-encoding content — text, images, and formatting stay as in the originals.

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