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Fusionner des PDFOutil en ligne gratuit

Utilisez immédiatement, gratuitement, sans inscription. Vos fichiers sont traités localement et jamais téléchargés.

By the AllFileBox Team · Last updated: 2026-07-05

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Gratuit : jusqu'à 10 MB • Pro : 100 MB • Entreprise : 500 MB

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Merge PDF is a free online tool that joins several PDF files into a single document right in your browser, letting you set the order of the files and download one combined PDF without any upload.

Why combine PDFs

Sending one file is simpler than sending five. Merging lets you bundle a cover letter, resume, and references into a single application, gather invoices for one month into one record, or assemble chapters into a finished book. A single PDF is easier to email, print, and archive, and the reader sees everything in the order you intend rather than juggling separate attachments.

Order and arrangement

The order you add files is the order they appear, and you can rearrange them before merging so the introduction comes first and the appendix comes last. Each source PDF keeps its own page count, so a three-page and a five-page file become one eight-page document. Nothing is re-rendered, so text, links, and bookmarks survive the merge intact.

Quality is preserved

Merging copies pages exactly as they are rather than re-encoding them, so there is zero quality loss. A 300 DPI scan stays 300 DPI and selectable text stays selectable. The combined file size is roughly the sum of the parts, which you can reduce afterward with a compressor if the result is large.

Local and private

Merge PDF assembles your files in the browser using WebAssembly. The PDFs are read into memory, stitched together, and returned as a download. Nothing is uploaded or stored, so even confidential paperwork can be combined safely. The merged file exists only on your device.

Comment l'utiliser Fusionner des PDF

  1. Open the Merge PDF tool and add two or more PDFs.
  2. Drag the files into the order you want them combined.
  3. Confirm the arrangement looks correct.
  4. Merge the files into a single document in your browser.
  5. Download the combined PDF.

Build one job application

Build one job application

Add your cover letter, resume, and portfolio in order, merge them, and send a single tidy PDF to the recruiter.

Consolidate monthly invoices

Combine a month of separate invoice PDFs into one file for your records or your accountant.

Assemble a report

Join a title page, body, and appendix into a finished document ready to print or share.

What happens to your files when you merge
PropertyBefore mergeAfter merge
Number of filesSeveralOne
Page orderPer fileYour chosen sequence
Text and linksSelectableStill selectable
QualityOriginalUnchanged

Outils liés

Caractéristiques clés Fusionner des PDF

Fichiers traités localement — jamais envoyés sur aucun serveur
Traitement rapide dans votre navigateur grâce à WebAssembly
Pas besoin de compte, de connexion, ni d'inscription
100 % gratuit pour tous les cas d'utilisation standard
Disponible dans 70 langues dans le monde entier
Fonctionne sur n'importe quel appareil : ordinateur, tablette et mobile

Vos fichiers restent privés

Tout traitement se fait dans votre navigateur avec WebAssembly. Votre fichier n'est jamais envoyé à nos serveurs. Nous n'avons aucun accès à vos fichiers — garantie.

Foire aux questions

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