🌍 Available worldwide — Works in any browser, any country. Your files stay private — processed 100% in your browser.

📎 Fusionner PDF

Combiner plusieurs fichiers PDF en un seul — gratuit, rapide et privé.

📎

Drop PDF file(s) here

or click to browse

Comment Fusionner PDF

1

Téléchargez vos fichiers en les glissant-déposant ou en cliquant sur la zone ci-dessus.

2

Cliquez sur le bouton pour traiter vos fichiers instantanément dans votre navigateur.

3

Votre fichier traité sera téléchargé automatiquement. Aucune inscription nécessaire !

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.

Fusionner PDF — Disponible dans tout le pays

Fusionner PDF — Available Across Europe

Need More?

Get unlimited access to all tools, batch processing, and priority support for just $5/month.

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Fusionner PDF — Frequently Asked Questions

How many PDFs can I merge at once?â–Ľ

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?â–Ľ

No. Our tool preserves the original quality, fonts, images, and formatting of every page.

Is it safe to merge confidential documents?â–Ľ

Absolutely. All processing happens locally in your browser — your files are never uploaded to any server.

Can I merge PDF files on my phone?â–Ľ

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?â–Ľ

No problem. Our tool handles mixed page sizes and orientations seamlessly in the merged output.