📎 PDF zusammenfügen
Mehrere PDF-Dateien zu einer zusammenfügen — kostenlos, schnell und privat.
Drop PDF file(s) here
or click to browse
Anleitung PDF zusammenfügen
Laden Sie Ihre Datei(en) hoch, indem Sie sie per Drag & Drop ablegen oder den Upload-Bereich anklicken.
Klicken Sie auf die Schaltfläche, um Ihre Dateien sofort in Ihrem Browser zu verarbeiten.
Ihre verarbeitete Datei wird automatisch heruntergeladen. Keine Anmeldung erforderlich!
Performance & Details
Merges up to 50+ PDFs in a single session. Average merge time: under 3 seconds for 10 files totaling 20 MB. Uses pdf-lib (open-source) — no server upload, no file size cap beyond browser memory.
All processing uses pdf-lib (open-source). Files stay in your browser — zero server uploads. Last verified: May 2026.
PDF zusammenfügen — Landesweit verfügbar
PDF zusammenfügen — Available Across Europe
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Go Pro — $5/monthPDF zusammenfügen — Frequently Asked Questions
How many PDFs can I merge at once?▼
There is no limit on the number of files. You can merge 2, 10, or 50+ PDFs in a single session.
Will merging reduce the quality of my PDF?▼
No. Our tool preserves the original quality, fonts, images, and formatting of every page.
Is it safe to merge confidential documents?▼
Absolutely. All processing happens locally in your browser — your files are never uploaded to any server.
Can I merge PDF files on my phone?▼
Yes! The tool works on any smartphone browser. Open the site on your iPhone or Android and merge PDFs on the go.
What if my PDFs have different page sizes?▼
No problem. Our tool handles mixed page sizes and orientations seamlessly in the merged output.