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Signature Numérique

Ajoutez des signatures numériques X.509 aux documents PDF. Signez des PDF avec des certificats PFX, P12 ou PEM pour une validité légale.

Privacy-first

Clear file handling

Batch-ready

Built for real workflows

Fast workflow

Progress and feedback

Smart controls

Useful options, not clutter

Upload PDF to Sign

Drag and drop a PDF file here, or click to browse.

pdf .pdf
Instant process End-to-end encrypted Clipboard paste

Smart workflow

Do more in the same workflow

Build from the job you started: batch compatible files, keep the right output format, then move straight into the next useful step without hunting through the site.

Input

.pdf

Output

PDF

Batch

1 file per run

Built for batch work

1 file per run. Use one run when the files share the same task.

Continue the job

Choose a related operation below instead of starting from scratch.

Output-ready

Results stay focused on download, preview and the next useful action.

File-size clarity

No fixed file-size limit per configured tool limit.

Natural next steps

Continue with a related tool using the same file workflow.

Smart workflows

Finish the job, not just the file

Use the existing tool graph to continue into useful next steps. Bulk and output-packaging capabilities are surfaced automatically where the underlying tool supports them.

Workflow-ready

Continue with Validate Signature

Bulk-ready

Finish the job after Digital Sign Pdf with a relevant MAXScanner tool, without creating a duplicate converter page.

  1. Digital Sign Pdf
  2. Validate Signature
Output: Validate Signature

Best when Digital Sign Pdf is only the first step in your workflow.

Continue

Continue with Encrypt Pdf

Finish the job after Digital Sign Pdf with a relevant MAXScanner tool, without creating a duplicate converter page.

Output: Encrypt Pdf

Best when Digital Sign Pdf is only the first step in your workflow.

Continue
Digital Sign Pdf built around the job after the conversion

Make the next step easier

Use Digital Sign Pdf as part of a complete document workflow: process the file, review the result, then continue into the next useful step instead of returning to a generic tools catalogue.

Clear file-to-result workflow

Useful controls without unnecessary clutter

Mobile-friendly processing experience

Continue directly into related tools

A smoother workflow

  1. 1Add the file for Digital Sign Pdf
  2. 2Choose only the settings that matter for the destination
  3. 3Process and review the result
  4. 4Continue to the next useful tool when the job is not finished

A human tip

The useful version of Digital Sign Pdf

A conversion tool is most valuable when it removes the work around the conversion. People usually arrive with a destination in mind—an upload, a submission, an email, a report, a website or another editing step. The page should make that destination obvious, keep the interface focused, and offer a sensible next action when the first operation is only part of the job.

About This Tool

L'outil de Signature Numérique vous permet d'ajouter des signatures numériques X.509 cryptographiques aux documents PDF.

How to Use

  1. Télécharger le PDF

    Téléchargez le document PDF que vous souhaitez signer numériquement.

  2. Charger le Certificat

    Téléchargez votre fichier de certificat X.509 (.pfx, .p12 ou .pem) et entrez le mot de passe.

  3. Signer et Télécharger

    Cliquez sur Signer le PDF pour appliquer la signature numérique et téléchargez le document signé.

Use Cases

Documents Légaux

Signez des contrats et documents légaux avec des signatures numériques juridiquement contraignantes.

Approbations Commerciales

Signez numériquement des factures et documents d'approbation pour les pistes d'audit.

Intégrité du Document

Assurez-vous que les documents n'ont pas été altérés après la signature.

Frequently Asked Questions

Quels formats de certificat sont pris en charge ?+

Les formats de certificat PFX (.pfx), PKCS#12 (.p12) et PEM (.pem) sont pris en charge.

La signature est-elle légalement valide ?+

Oui, les signatures numériques X.509 avec un certificat valide sont légalement reconnues dans la plupart des juridictions.

Puis-je ajouter une signature visible ?+

Oui, vous pouvez ajouter une signature visible avec du texte, une image, une position et un style personnalisés.