PDF Merger — Free Online Tool

Merge up to five PDFs (10 MB combined) into one ordered document—reports, invoices & ebooks. Runs locally in your browser (free tool); no uploads.

PDF Merger — Free Online Tool: Combine multiple PDFs into one file in the order you choose—ideal for contracts, handouts, and scan batches. Processing runs in your browser so sensitive documents do not need a cloud upload. How to use: Add PDFs via drag-and-drop or the file picker. Drag thumbnails to reorder pages or files. Download the merged PDF when the preview looks correct. Frequently asked questions: How do I merge PDF files? Select multiple PDFs in order and merge them into one download—handy for reports, invoices, and combined ebooks. Are there file or size limits? You can merge up to five PDFs at once, with a combined upload size of 10 MB. For larger jobs, merge in batches.

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Frequently asked questions

How do I merge PDF files?
Select multiple PDFs in order and merge them into one download—handy for reports, invoices, and combined ebooks.
Are there file or size limits?
You can merge up to five PDFs at once, with a combined upload size of 10 MB. For larger jobs, merge in batches.