Merge PDF

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Drop multiple PDFs below. CrunchBox will combine them into a single file in the order listed. Drag to reorder.

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Drag PDF files here or browse

Merging...

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What PDF merging does

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Merging combines multiple PDFs into a single document, preserving every page's text, fonts, images, and layout from each source. The order you specify is the page order in the output.

No scanning, no rescanning, no software installation required. Just a browser.

How it works

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CrunchBox loads each PDF into pdf-lib in your browser, copies every page into a fresh document in the order you set, and saves the combined file. Text, embedded fonts, and images carry over intact. Interactive extras (fillable form fields, bookmarks, links that jump between pages) may not survive the merge. The source pages are copied byte-for-byte, not re-rendered.

Drop two or more PDF files into the box above
Drag to reorder or use the up/down buttons to arrange files
Click "Merge Files" to combine them
Download your merged PDF

Common use cases

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Combining an ID scan, proof of address, and tax form into one document for a portal upload
Assembling multiple receipts into one expense report
Merging chapters, appendices, or sections into a single manuscript
Combining meeting notes, agendas, and slides into one handout
Consolidating court filings, contracts, or legal exhibits
Turning a set of scanned pages into one document for storage or sharing

Privacy

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Your PDFs never leave your device. Loading, page copying, and download all happen in your browser. CrunchBox has no server that could see the contents of your documents: contracts, records, drafts, whatever they are.

This is why we run entirely in-browser: if we can't touch your files, we can't lose them, leak them, or profile them.

Merge PDF Files Free Online