Upload multiple PDF files, reorder them if needed, and click Merge. The merged PDF downloads instantly.

No — all merging runs client-side in your browser. Files are not uploaded or stored on our servers.

Are there file size limits?

There are no imposed limits — the practical limit is your device/browser memory.

PDF Merger — Merge Multiple PDFs into One

Zyorahub — PDF Merger

Drag & drop PDFs, reorder them, and merge into a single PDF — everything happens in your browser.

Drag & drop PDF files here or click to select

No files selected.

Tip: Reorder files by dragging the list items. The merged PDF will follow the order shown.

How private is this?

All merging runs in your browser. Files stay on your device and are not uploaded to servers.

Can I merge large PDFs?

Yes — the only limit is your device's available memory and browser constraints.

Can I reorder pages inside a PDF?

This tool merges whole PDFs in the order you set. For per-page editing you'd need a page-editor tool.