PDF MergerBrowser-local processing
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AppHelp

Merge PDF files online without uploading

Drop PDFs, arrange the order, and export one merged document. The files stay in your browser.

Drop files here. Processing stays in this browser.

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Quick answer

PDF Merger combines multiple PDF files into one document directly in your browser. Add PDFs, arrange the order, review page counts, and download the merged file without uploading documents to a server by default.

How to use

  1. 1. Add PDF filesChoose or drop the PDFs you want to combine. Each file is loaded in the browser so you can review the list before processing.
  2. 2. Arrange the final orderMove files up or down until the order matches the final document sequence.
  3. 3. Export the merged PDFProcess the files and download one combined PDF that keeps pages in the selected order.

Examples

Combine report sections

Input
cover.pdf + analysis.pdf + appendix.pdf
Output
apphelp-merged.pdf

Merge signed pages

Input
agreement.pdf + signature-page.pdf
Output
one PDF with the signature page appended

Build a packet

Input
invoice.pdf + receipt.pdf + notes.pdf
Output
single document for sharing or archiving

Common use cases

  • Combine separate PDF sections into a single report
  • Append cover pages, signature pages, or attachments
  • Create one shareable packet from receipts, invoices, and reference documents
  • Merge sensitive documents while keeping processing local by default

Edge cases

  • Encrypted or damaged PDFs may fail to load in the browser
  • Very large documents depend on browser memory and can take longer to process
  • The merger combines pages but does not edit page content
  • Final file size depends on the original PDFs and embedded assets

Features

  • Merge multiple PDFs into one file
  • Drag and reorder input files
  • Preview page counts and file sizes
  • Runs entirely in the browser

Related tools

PDF SplitterSplit a PDF into page ranges before or after merging.PDF ReorderRearrange pages inside a single PDF.PDF Delete PagesRemove unwanted pages before combining documents.Image to PDFConvert image files into a PDF before merging.

Frequently asked questions

Is PDF Merger free?
Yes. PDF Merger is free to use in the browser with no signup.
Does my data leave the browser?
No. The tool is designed for browser-local processing by default.
What can I export?
Merge multiple PDF files locally in your browser with drag-and-drop ordering.