PDF Merger
Combine multiple PDF files into a single document. Reorder, preview, and merge — all in your browser with zero uploads.
Add PDF Files
Drag & drop PDF files here, or browse
Select multiple PDF files at once. No limit on file count.
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Everything you need to know
Merge PDFs Instantly — No Upload Required
This free online PDF merger lets you combine multiple PDF files into one document in seconds. Unlike most online tools, your files never leave your browser — everything is processed locally using the powerful pdf-lib library.
How to Merge PDF Files
- Step 1 — Click "Add PDFs" or drag and drop your PDF files into the upload area.
- Step 2 — Reorder the files using the up/down arrows to set the page sequence.
- Step 3 — Click "Merge PDFs" and download the combined document.
Why Use This PDF Merger?
Most online PDF tools upload your files to remote servers, raising privacy concerns. This tool processes everything in your browser using JavaScript and pdf-lib. Your files stay on your device — no data is transmitted anywhere.
Common Use Cases
- Combine multiple scanned documents into one file
- Merge reports, invoices, or contracts for archiving
- Join chapters of an eBook or manuscript
- Consolidate homework assignments or study materials
Related Tools
Need to extract specific pages? Use the PDF Splitter. Want to reduce file size? Try the PDF Compressor. You can also reorder and rotate pages within a single PDF.