ID card OCR - identity verification in the blink of an eye

The rapid development of optical character recognition has ushered in a remarkable change in the approach to identity determination.

The groundbreaking solution of the ID card OCR (Optical Character Recognition) holds a range of benefits that improves processes of companies, authorities and other institutions in an advanced way. The Automation of the legitimation process is surprisingly straightforward.

State-of-the-art OCR technology precisely extracts data from a variety of digitized document types and converts them into structured information. The results obtained are transmitted via API interface transmitted and integrated into existing systems.

Would you also like to optimize processes related to identity documents? With the help of the OCR from Konfuzio for text recognition in documents automate them completely and in the shortest possible time.

What is an identity card?

An identity card is an official document issued by state authorities to prove a person's identity. It is used to uniquely identify the holders and confirm their citizenship.

But the ID card not only helps with identification, it also contributes to the security and protection of personal data. It contains various security features such as holographic elements, biometric data (fingerprints) and special identification numbers. These are designed to make counterfeiting more difficult.

The requirements for the appearance, features and security characteristics of the ID card may vary from country to country, depending on the respective legal regulations and standards.

Compulsory identification in Germany

According to § 1 of the German Identity Card Act (PAuswG), German citizens must possess a proof of identity from the age of 16. However, "possess" does not necessarily mean that you have to carry your ID card or passport with you at all times. The obligation to carry it exists only in special situations.

What is an identification document needed for?

With its identification function, a valid ID card is more than just a simple "card". Providing proof of identity is unavoidable in many life situations:

Identification and legitimation

One of the most basic purposes of identification documents is to identify people. Whether going to the authorities or signing a contract, a valid identification document is the prerequisite for identifying oneself as a legitimate person.

Security checks

ID documents are required worldwide to ensure security during various activities. These include airport, border and police checks.

Age verification and access control

The identity card also serves as proof of age. Age restrictions apply to the purchase of alcohol, tobacco or admission to certain events.

Financial transactions

For banking transactions, credit applications and other financial transactions, an ID card acts as proof of identity and creditworthiness. This is critical to maintaining the integrity of the financial system and protecting against money laundering or fraudulent activity.

The ID card allows organizations and institutions to quickly and reliably establish a person's identity, which is highly relevant in a wide variety of scenarios. This ranges from visits to authorities to travel, bank transactions, security checks and the signing of contracts.

Data on an identity card

The specific data contained on an ID card varies depending on the country and the respective legal requirements. In most cases, however, the information on an ID card includes the following:

  • First and last name: The full name of the owner.
  • Date of birth: The date on which the person was born.
  • Birthplace: The place where the person was born.
  • Nationality: The country of which the person is a citizen.
  • Gender: The gender of the holder.
  • Eye color and body size: personal identification characteristics.
  • ID card number: A unique identification number assigned to the ID card.
  • Validity period: The period for which the ID card is valid.
  • Issuing authority: The organization or institution that issued the identity card.
  • Signature: The signature of the holder to confirm identity.
  • Photograph: A photograph of the holder used for identification purposes.
  • Serial number: A unique number used to identify the identification document.
  • Machine Readable Zone (MRZ): An area on the back of the credential that contains machine-readable data in a specific format.
  • Fingerprints: Some countries collect biometric data such as fingerprints on the ID card.

Who benefits from an ID card OCR?

Authorities, offices and government agencies

In the public sector, establishing identity is a common process. ID card OCR makes this process more efficient and accurate than doing it manually, and can be useful in areas such as passport and visa applications, driver's license applications, social benefits, and other government services.

Airports and border controls

Airports and immigration checkpoints use OCR technology to speed up the travel process. The fast and accurate extraction of data from passports and ID cards enables smooth processing at border controls.

Banks and financial institutions

Identity verification is also of great importance when opening an account, granting a loan or transferring large sums of money. The ID card OCR solution speeds up financial transactions, increases accuracy and improves fraud prevention.

Hotels and hospitality

In the hotel industry, the ID card OCR facilitates the check-in process for guests. Fast capture of ID card data enables a speedy and convenient check-in process.

Company with access controls

With an ID card OCR, companies with entrance controls are able to monitor the access of employees or visitors in a completely automated way, thus making manual ID card checks unnecessary.

Insurance industry

Insurance companies can use ID card OCR to perform identity verification on claimants and minimize fraud. With a high volume of work, potential errors creep in during manual processing. Automating the process significantly reduces the error rate.

Advantages of the ID card OCR

Fast identification and verification: ID card OCR software enables ID card information to be extracted and verified in seconds. This not only speeds up the registration process for customers, patients or users, but also reduces waiting times and promotes smooth interaction.

Saving costs and resources: By automating the identification process, organizations can use their human resources more efficiently, resulting in cost savings in the longer term.

Error reduction: Manual data entry is prone to errors, potentially leading to incorrect information and delays. OCR technology minimizes human error and ensures greater accuracy when transferring data from badges into the organization's system.

Improved user experience: The introduction of ID card OCR greatly improves the user experience. Customers, patients or users no longer have to fill out cumbersome forms. Instead, they simply present their ID card and the OCR software does the rest.

Fraud prevention: ID card OCR plays a crucial role in preventing fraud. Automatic extraction and verification of ID card information ensure that the documents presented are authentic. The software detects various security features that are often missing or incorrect in fake IDs.

Privacy and security: ID card OCR also offers advantages in terms of data protection and security. With less manual intervention required, the risk of data leakage or unauthorized access is reduced. ID card data is efficiently captured and securely stored.

Scalability: OCR technology is scalable to meet the needs of growing organizations.

Read identity cards automatically with Konfuzio

In addition to OCR, Konfuzio's intelligent technology is also based on the use of Artificial Intelligence (AI). This enables continuous improvement of software performance over time.

Which data fields does OCR extract from the ID document?


  • First name, if necessary several first names
  • Last name
  • Nationality
  • Date of birth
  • Birthplace
  • Validity date
  • Badge number

Reverse side:

  • Eye color
  • Size
  • Street and house number
  • Postal code
  • Residence
  • Date of issue
  • Exhibition Authority
Identity card OCR
Practical example of the identity card OCR from Konfuzio

How does the OCR software extract all relevant data from the ID card?

Data extraction is performed in three steps:

  1. Digitization of the ID document and upload to OCR
    Either an image or a PDF file of the ID card is transferred to the ID card OCR. The image can be uploaded with or without a cropped background, as the API automatically removes the background. The SDK optimizes the image quality by closely analyzing the document. If necessary, an adjustment of brightness and gray levels follows.
  2. Conversion to TXT file format (text file)
    Once the ID card OCR software has received the image or PDF file, it converts it to a TXT file format. The data from the ID card document is extracted, but at this stage it is not yet presented in a structured form.
  3. Transformation from TXT to JSON
    This is followed by the processing of the TXT file by Konfuzio's technology, which creates a structured and machine-readable JSON file format. This JSON file is finally transmitted back to the API as a result.

After these steps, the ID card can be integrated into the company database.

Read more about PDF to JSON conversion for intelligent word processing here.


How are documents digitized?

In order to perform automatic extraction of data from documents and identity proofs using intelligent text recognition, it is necessary to first convert them into digital formats. Typical methods for digitization are scans or photos of the documents.

Which documents can be captured automatically?

In addition to the ID card, countless other documents such as passports, residence permits, vehicle registration documents, patient files or insurance policies can be easily scanned and automatically processed.

What are the features of Konfuzio OCR?

The application possibilities of Konfuzio's OCR software are extremely versatile. As soon as documents are available in digital form, the technology captures all information, even in different languages, and processes it afterwards. The data can be easily integrated into internal organizational programs via an API.


The application possibilities and advantages of an ID card OCR are diverse and extend across a wide range of industries. Healthcare, all online service providers or the e-commerce sector also benefit from this innovative technology, in addition to the organizations and institutions listed. Ultimately, any organization that requires proof of identity or needs to extract data from identity documents can rely on ID card OCR.

Process ID cards securely and reliably with the automatic text recognition from Konfuzio and improve efficiency in your organization.

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