Yes! The visible signature stamp is added 100% locally in your browser.

Can I sign a PDF that is already digitally signed?

You can add a visible signature stamp to a new copy, but an existing cryptographic digital signature will usually become invalid when the PDF is changed.

Is this a legal digital signature?

No. FilKlar adds a visible signature stamp. Legal/eID-based signing requires a qualified signature service.

Early Adopter: FilKlar Pro Lifetime — €129 €59Use code EARLYADOPTER• Limited time offer

Sign PDF

Add a visible signature stamp to PDF. FilKlar Pro.

Traité localement — aucun chargement

Déposer les fichiers ici

Traité localement — rien n'est envoyé

Comment ça marche

1Choisir des fichiers

2Ajuster les paramètres

3Télécharger

Sign PDF

Déposer les fichiers ici

Comment ça marche

FAQ

Is this safe?

Can I sign a PDF that is already digitally signed?

Is this a legal digital signature?