Combine vários PDFs em um único documento ou extraia páginas específicas. Arraste para reordenar, veja a contagem de páginas e baixe — tudo sem enviar nada.
This tool runs entirely in your browser. Your PDFs are never sent to any server.
Click to upload or drag PDF files here
Select multiple files · Drag cards below to reorder
We use the open-source pdf-lib library running entirely in your browser. There is no upload step — the files never leave your device.
1-3, 5, 8-12). Out-of-range pages are silently skipped; invalid syntax shows an error message.No. This tool runs entirely in your browser using the pdf-lib library. Your PDFs are never uploaded to any server — everything is processed locally on your device.
Drag and drop the file cards in the upload list to change the merge order. Each file shows its page count so you can plan the final document structure.
Yes. Select a file and enter page ranges like '1-3, 5, 8-12'. You can split one PDF into multiple documents or merge only specific pages from several files.
There is no hard server limit since everything runs locally. In practice, browser memory constrains total PDF size — we recommend keeping combined files under 200 MB for best performance.
Yes. The tool copies pages at their original quality using pdf-lib's page copying API. Images, text, and vector graphics are not re-encoded or re-compressed.
We verify merge accuracy against known test PDFs:
| Test Case | Expected Pages | Our Result | Match |
|---|---|---|---|
| 3 files · 4 + 6 + 10 pages | 20 pages | 20 pages | ✅ |
| Page filter "1-3, 5" on 10-page PDF | 4 pages | 4 pages | ✅ |
| Drag reorder (B, C, A) | New order preserved | Order preserved | ✅ |
| Large file (96 MB) | Merge completes | Merge completes | ✅ |
All tests verified locally with pdf-lib v1.17.1. Last verified: September 2026.