Can I merge password-protected PDFs?

No. Encrypted PDFs must be unlocked in a PDF reader first, then saved without encryption, before merging here.

Is there a file size limit?

Limits depend on your device memory and browser. Very large PDFs may be slow or fail on low-memory devices.

PDF Merge

Upload two or more PDFs, arrange the order, and download a single merged PDF. Everything runs locally in your browser — files are not uploaded to any server.

Add PDF files (order = merge order)All processing happens in your browser.

Features

Merge any number of PDFs
Drag-free reorder with up/down controls
100% client-side processing
No account or upload required

Frequently Asked Questions

PDF Split

Extract a page range or split every page into separate PDFs (ZIP).

PDF Rotate

Rotate every page in a PDF by 90°, 180°, or 270° and download.

Diff Checker

Compare two blocks of text side-by-side and highlight differences line by line.

PDF Merge

Features

How to use PDF Merge

Frequently Asked Questions

Can I merge password-protected PDFs?

Is there a file size limit?

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