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.

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Sign PDF

Add a visible signature stamp to PDF. FilKlar Pro.

Elaborato localmente — nessun caricamento

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oppure

Elaborazione locale — nulla viene caricato

Come funziona

1Scegli file

2Regola le impostazioni

3Scarica

Sign PDF

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Come funziona

Domande frequenti

Is this safe?

Can I sign a PDF that is already digitally signed?

Is this a legal digital signature?