Are my PDFs uploaded to a server?

No. Merging is done entirely in your browser, so your documents never leave your device.

How many files can I merge?

Up to 10 PDF files totaling 100 MB per merge, which keeps processing reliable in the browser.

Will merging add a watermark?

No. The merged PDF is clean, with no watermarks added.

PDF Merge

Merge multiple PDF files into one. Reorder with up/down controls. All processing in your browser, no uploads.

About PDF Merge

PDF Merge combines several PDF files into a single document, right in your browser. Add your files, reorder them, and download the merged PDF — no uploads, no watermarks, and no page limits beyond your device's memory. Your documents stay completely private.

Features

Combine multiple PDFs into one document
Reorder files with up and down controls before merging
See the page count for each file you add
Handles password-free and many encrypted PDFs
Everything runs locally — your files are never uploaded

How to use PDF Merge

1Add two or more PDF files.
2Reorder them with the up and down buttons.
3Click Merge to combine them in your browser.
4Download your single merged PDF.

Frequently asked questions

Are my PDFs uploaded to a server?: No. Merging is done entirely in your browser, so your documents never leave your device.
How many files can I merge?: Up to 10 PDF files totaling 100 MB per merge, which keeps processing reliable in the browser.
Will merging add a watermark?: No. The merged PDF is clean, with no watermarks added.