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Legally sign documents online with the Croatian eIDCard (eOI)

Use your existing digital proof of identity and sign important documents online with the highest signature standard.

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Croatian citizens can use their eID for all electronic services of the e-Citizen system as well as for all other electronic services in Croatia, regardless of the service provider. The identification certificate is used for electronic authentication of identity and authentication when accessing electronic services, while the signature certificate supports qualified electronic signatures as a substitute for handwritten signatures in accordance with the eIDAS Regulation. As a high-security ID card, the Croatian electronic ID card is also accepted in the European Economic Area (EU countries, Norway, Iceland and Liechtenstein).

Frequently asked questions

Why to sign digital instead of analogue?

Is the digital signature 100% legally valid?

Is sproof sign GDPR compliant?

How can I invite people to sign?

Can signature recipients also choose other signature providers?

Do externals have to pay for signature or be sproof sign user?

Use your existing qualified signature directly in sproof sign

Digital Signature 2.0 - Qualified Signing without Borders throughout Europe

sproof has been working intensively on a newly developed interface for qualified signing throughout Europe over the past few weeks. Now the beta version has been officially transferred to the test phase with some important key accounts.

We have integrated the most important signature providers

We continuously update the QES & eID Hub with new providers and authentication methods to make it as easy as possible for you to obtain legally valid digital signatures - at no extra cost.
Why sproof sign?Highest security and compliance paired with an "all-in-one" functionality make sproof sign the top European alternative on the e-signature platform market. 100% developed and hosted in Europe.
sproof sign is currently the highest-rated e-signature provider on the independent review platform OMR Reviews and has also been certified by CRIF GmbH with the 'ESG SCORE: A' for sustainability.