Merge PDF files
Drop in PDFs, reorder them, click merge. The result is one clean PDF — done entirely in your browser.
About merging PDFs locally
Combining contracts, reports, scanned receipts, or expense statements into one PDF is a weekly chore for most office workers. The Qaynaq Labs PDF Merger does it without uploading your files anywhere. Drag in any number of PDFs, drag-and-reorder them in the queue, and click "Merge". Output is a single PDF preserving every page from every input.
Because everything runs in the browser, there's no upload progress, no server-side queue, no "we'll email you the result". The merged PDF downloads as soon as it's ready — usually under a second for typical office documents.
Frequently asked
Is there a file count limit?
Practically limited by browser memory. 20-50 PDFs at typical sizes work fine on any modern device.
Will my files upload?
No. Everything runs locally using pdf-lib. You can open DevTools → Network and confirm — no upload requests fire.
What about file order?
Drag the rows in the queue to reorder, or use the ↑↓ buttons. The final merged PDF follows the queue order top-to-bottom.
Are bookmarks and form fields preserved?
Page contents are preserved exactly. Some advanced metadata (form fields, javascript actions) may not be carried over — pdf-lib supports most cases, not all.