Firma DNI electrónico (DNIe)

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About this app

Did you know that you can sign documents using NFC and your electronic ID? You do not need a reader for the electronic ID.

DNI electronic signature:
You do not need to buy any external device, nor need to have a computer with Windows, nor more complications...

👉 You only need a DNI-E, a mobile phone (with NFC), and know your DNI certificate password.

Sign PDF with your electronic ID:
Signing with the electronic DNI (eDNI) is an important and secure feature that allows Spanish citizens to authenticate and electronically sign documents and online transactions.

Electronic DNI certificate:
The Electronic DNI Certificate (also known as Digital Certificate or eDNI) in Spain is a digital document that allows citizens to carry out procedures and transactions online in a secure and authenticated manner. This certificate is issued in conjunction with the physical National Identity Document (DNI) and is supported by the Spanish Public Administration.

Activate electronic ID:
If you have a DNI 3.0 or 4.0 and want to activate the electronic DNI, it is necessary to go to a police station where the DNI is issued. There they have some machines just for this purpose. After entering your ID you have to enter the PIN that they gave you in an envelope when you got your ID or you can also use your fingerprint.

In Spain, to use the electronic DNI (DNIe or eDNI) and sign electronically without a DNI reader, a smart card reader or a specific DNI reader was generally required. However, there are technological advances that allow the NFC (Near Field Communication) technology of mobile devices to be used to interact with the DNI-E and perform electronic signatures.

How can you sign with the Digital DNI using NFC without a DNI reader?

Mobile device with NFC to read the ID and be able to sign pdf:
You will need a mobile device (phone or tablet) that supports NFC technology. Most modern devices, especially Android models, usually have this functionality.

Download this app to sign documents:
You must install this application compatible with the DNI and NFC technology on your mobile device. These apps interact with the electronic DNI chip and allow its use without a physical reader.

NFC connection with the electronic DNI:
Activate the NFC function on your mobile device and make sure it is enabled.

Placing the electronic DNI:
Place your electronic ID near the back or top of the mobile device, where the NFC antenna is located. Mobile devices generally have a specific area designated for NFC communication.

Authentication and signing pdf with digital DNI certificate:
Follow the instructions provided by the app on your mobile device to authenticate and sign electronically. This may include entering your PIN code associated with the electronic DNI.

Signing PDF documents, How to digitally sign a PDF?
Once authenticated, you will be able to use the eDNI to electronically sign documents or perform online transactions, depending on the capabilities of the application you are using.
Updated on
May 14, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity, App info and performance, and Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted