Check whether a document has been signed with QES

The Validator service of the Swiss Federal Administration allows you
to check whether your document has been signed
with a qualified electronic signature (QES) according to Swiss law. *

A man loads a document into the validator of the Swiss federal administration

* works for QES according to Swiss law, but not according to EU law (eIDAS).

Here’s how to do it:

  1. Select document type:
    Qualified electronic signature
    deemed equivalent to handwritten signature
  2. Upload your document
  3. Click on “Check document”
Logo of the swiss federal administration

A service of the Swiss Federal Administration.

What is the qualified
electronic signature (QES)?

A man stands next to an electronic document with a giant fountain pen

Sign now, legally and electronically!

No credit card, entrance fee or commitment required.

Try it now