Merge PDFs — Free Online PDF Tool
Combine multiple PDFs into one document. Free, no watermarks, no upload — your files never leave your browser.
PDFisPDF processes everything locally in your browser using WebAssembly. No data is ever uploaded to a server — your files never leave your device.
Frequently Asked Questions
- How do I merge PDF files?
- Click "Select PDFs", choose your files, arrange them in the desired order, and click "Merge". The combined PDF downloads instantly.
- Is there a limit to how many PDFs I can merge?
- No. You can merge as many PDFs as your browser can handle. All processing happens locally on your device.
- Will merging affect the quality of my PDFs?
- No. PDFisPDF merges files without re-encoding, preserving original quality, fonts, and formatting.
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