Merge PDF
Combine multiple PDFs into one document. Drag to reorder.
Your files stay on your device. Merging is done entirely in your browser using WebAssembly — no data uploaded, no servers involved. Select, reorder, and download your combined PDF instantly.
Free users limited to 10MB files. Upgrade for 100MB, batch & no wait
About Merge PDF
With our merge PDF tool, you can combine PDF documents into a single file effortlessly, making it perfect for consolidating reports, invoices, scanned contracts, or any collection of related pages. Simply upload your PDFs, drag to reorder them, and click merge — the intuitive interface gives you full control over the final page sequence. The tool processes everything locally in your browser using pdf-lib, so your sensitive documents never touch a server. To merge PDF files online free, just select multiple PDFs, arrange them in the desired order, and download the combined result in seconds. This feature is especially useful for merging scanned documents that arrive as separate files, unifying chapter drafts into a complete manuscript, or creating comprehensive portfolios from individual pages. Everything stays private and secure.