Merge PDFs

Combine multiple PDF files into a single document. Drag to reorder before merging. 100% browser-side — your files never leave your device.

Drop PDF files here or click to upload

Select multiple PDFs — drag to reorder below

Free Online PDF Merger — Combine PDFs Instantly

Need to combine multiple PDF documents into one? Our free PDF merger processes everything directly in your browser using the pdf-lib library — no server uploads, no size limits, and 100% privacy guaranteed.

Features

  • Drag & Reorder: Easily rearrange the order of your PDFs before merging.
  • Unlimited Files: Merge as many PDFs as you need in one go.
  • 100% Private: Your files never leave your device. Processing is entirely client-side.

FAQ

Is there a file size limit?

There is no hard limit. Performance depends on your device's memory and browser capabilities.

Will the quality be affected?

No. The merger copies pages byte-for-byte without any re-encoding, preserving 100% original quality.

Free PDF Merger — Combine PDFs Online

Combining multiple PDF documents into a single file is a common necessity in both professional and academic settings. Whether you need to merge invoices, combine report sections, or compile application materials, our free PDF merger handles it seamlessly. Simply drag and drop your files, arrange them in your preferred order, and download the combined result.

Unlike cloud-based PDF tools that upload your sensitive documents to remote servers, our merger processes everything locally in your browser. Your financial documents, contracts, and personal files never leave your device, ensuring complete privacy and compliance with data protection regulations.

How to Use This Tool

  1. Click or drag multiple PDF files into the upload area.
  2. Rearrange the order by dragging files to your preferred sequence.
  3. Click "Merge" to combine them and download the unified PDF.

Frequently Asked Questions

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