Free Bulk QR Code Generator Online

Barcode Technology - QR Code Barcode               Hide the description

QR code is a specific matrix barcode (or two-dimensional code), readable by dedicated QR barcode readers and

camera phones. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be text, URL or other data..

Valid characters: ASCII 1-255

Which of the numerous types should I use to create a QR Code?

If you have no special wishes, simply choose QR Code. It creates a the smallest QR Code that is possible.

The QR code system was invented in 1994 by Masahiro Hara from the Japanese company Denso Wave. The initial

design was influenced by the black and white pieces on a Go board. Its purpose was to track vehicles during manufacturing; it was designed to allow high-speed component scanning. QR codes are now used in a much broader context, including both commercial tracking applications and convenience-oriented applications aimed at mobile-phone users (termed mobile tagging). QR codes may be used to display text to the user, to open a webpage on the user's device, to add a vCard contact to the user's device, to open a Uniform Resource Identifier (URI), to connect to a wireless network, or to compose an email or text message. There are a great many QR code generators available as software or as online tools that are either free, or require a paid subscription. The QR code has become one of the most-used types of two-dimensional code..

QR codes are used in some augmented reality systems to determine the positions of objects in 3-dimensional

space. QR Codes are also being used to deliver Augmented Reality experiences.

Multimedia QR Codes are also used to direct users to specific multimedia contents (such as video, audio, images,

documents, etc.).

This barcode types has no human readable text based on the specification. The ShowText property has no effect,

when using one of this codes.

Who Uses QR Codes?

Today QR Codes have many uses, including transport ticketing, commercial tracking, entertainment, product labeling, and marketing. In short, you can use a QR code in virtually any situation where you want to send people to a specific website. It is now becoming more common for people to use QR Codes when looking at a product in-store. They often go in-store to look at the physical product and then use their smartphones to compare prices. Depending on how technological the retailer is, they can scan QR codes to find additional information about the products that interest them..

QR Code is one of the many barcode formats currently in use.

A Barcode is a method of representing data in a visual, machine-readable form.

The barcode formats has two categories:

One-dimensional (1D) --- Barcodes represented data by varying the widths and spacings of parallel lines.

Two-dimensional (2D) --- Using rectangles, dots, hexagons and other geometric patterns to represented data.

Check digit:

Calculated according to Reed-Solomon-Error correction, this barocde generate program calculates the check digit automatically.

Alternatively, you can specify the symbol size. Select one of the types with fixed-size for this purpose, e.g. QR Code 45x45. The error correction is selected automatically depending on the amount of data as good as possible.

Comparison of Data Matrix and QR Code

Both Data Matrix and QR Code are two-dimensional barcode, which are able to contain a considerably great volume of information with a small area. However, there are many differences between Data Matrix and QR Code.

Human Readable:

Most barcodes display their corresponding values below them, which makes it possible to human read and manually  enter the barcode values into the equivalent system when the barcode label is worn out and cannot be read by the barcode scanner.

The Advantages of using barcodes:

If you want to reduce costs and save time, using barcodes is a good choice. Whether you are a company or a non-commercial organization, to improve efficiency and reduce overhead, barcodes are a valuable and viable option, which is economical and reliable.

Using Barcode system eliminates the possibility of human error. The error rate of manually entering data is
significantly higher than that of scan barcodes. Barcode scanning is fast and reliable, and it takes much less time than manual data entry. Especially when using a QR code, hundreds of characters can be read and entered into your system instantly.

Using a barcode system can make the working process simple and easy, so it can reduces the employee training time. It only takes a few minutes to master the barcode scanner to collecting data, employees no need to familiar with the entire inventory or pricing process. This also reduces the cost of employee training.

The bar code design and printing cost are low. Generally speaking, no matter how they are used or where they are posted, the cost is not high. They can be customized economically, in a variety of finishes and materials.

The barcode system is very versatile, it can be used for any necessary data collection. This may include pricing or inventory information or management information service system. In addition, because barcodes can be affixed to almost any surface, they can be used not only to track the product itself, but also to track the production process, shipments and equipments.

Using barcode system will improve the inventory control is improved, it can track inventory accurately, inventory levels can be reduced it will lower the rate of eavesdropping. The location of the inventory and device can also be tracked, thereby reducing the time it takes to find the inventory and device.

The barcode system provide better data. Because a barcode can store various information such as inventory and pricing, especially when using QR Code, it can store thousands of characters, so the data stored in the barcode can be quickly obtained by the barcode reader, this fast turnaround ensures that time is not wasted on data entry or retrieval. In addition, the barcode can be customized to include other relevant information as needed. They provide fast and reliable data for various applications.

When barcodes are used in management information systems, they can promote better decision-making. Because data is obtained quickly and accurately, you can quickly obtain a full range of information for the entire company or organization, so it is possible to make more informed decisions. Better decisions can ultimately save time and money.

Barcodes are cheap and user-friendly, providing an indispensable tool for tracking data from pricing to inventory. The end result of a comprehensive bar code system is reduced overhead.

Frequently Asked Questions About QR Code Barcode

What is the origin and development process of QR Code?

QR Code was invented in 1994 by a team led by Masahiro Harada of the Japanese company Denso Wave, based on its original use for marking car parts. It is a two-dimensional matrix barcode that can be used for a variety of purposes.

Later, the encoding and decoding rules of QR Code were formulated into multiple international standards, such as AIM International, JIS X 0510 and ISO/IEC 18004:2015.

The reason why QR Code has to develop multiple standards is to adapt to different application scenarios and needs, such as data encoding method, symbol format, error correction rules, decoding algorithm, etc. Different standards may have different advantages and limitations, such as scanning speed, capacity, compatibility, etc. The development of multiple standards will also help the internationalization and popularization of QR Code, allowing more people to use it.

What is the difference between QR code and 1D barcode?

The difference mainly lies in the encoding method and information capacity.

QR codes use a two-dimensional square matrix, which can store more information and represent more data types.

One-dimensional barcodes use one-dimensional lines, can only store a small amount of information, and can only represent numbers or letters.

There are other differences between QR codes and one-dimensional barcodes, such as scanning speed, error correction capabilities, compatibility, etc.

In some situations, why should QR Code be used instead of one-dimensional barcode?

It is because QR Code has the following advantages:

QR Code can store more information because it uses a two-dimensional square matrix instead of one-dimensional lines. One-dimensional barcodes usually only store a few dozen characters, while QR Codes can store thousands of characters.

QR Code can represent more data types, such as numbers, letters, binary, Chinese characters, etc. One-dimensional barcodes usually can only represent numbers or letters.

QR Code can be scanned and recognized faster because it has four positioning marks and can be scanned from any angle. One-dimensional barcodes usually need to be scanned from a specific direction.

QR Code is more resistant to damage and interference because it has error correction capabilities that can recover partially lost or obscured data. One-dimensional barcodes generally do not have such functionality.

Why are QR codes faster to scan?

The reason why QR codes scan faster is that they can express information in both the horizontal and vertical directions, while one-dimensional codes can only express information in the horizontal direction.

QR codes also have some special geometric patterns, such as positioning patterns, alignment patterns and correction patterns, which can help the scanner quickly identify the position and direction of the QR code.

QR codes also have certain error correction capabilities. Even if part of the QR code is blocked or damaged, the data can still be recovered.

Will QR codes replace one-dimensional barcodes?

Won't.

QR codes and one-dimensional barcodes are two different encoding methods, each with its own advantages and disadvantages.

One-dimensional barcodes can only express information in the horizontal direction, while 2D codes can express information in both horizontal and vertical directions.

One-dimensional codes can only hold 30 characters, while two-dimensional codes have a large information capacity, with a maximum data capacity of 1850 characters.

QR codes can directly store product information without connecting to another database.

The large size of one-dimensional code and low space utilization determines the low information capacity, while the two-dimensional code is relatively small in size (high space utilization) and has the ability to resist damage.

The error correction rates of QR codes are divided into four levels: L, M, Q, and H from low to high. The maximum error correction rates of each level are 7%, 15%, 25%, and 30% respectively, while the one-dimensional codes There is no strong error correction function.

What are the advantages and disadvantages of QR Code?

Advantages:

More data can be stored, including text, addresses, phone numbers, website addresses, videos, maps, etc.

The appearance and content can be customized to increase brand recognition and appeal.

Scans quickly without alignment or angles.

Can be fault tolerant and resilient, identifying even parts that are corrupted or obscured.

Disadvantages:

Specific scanning software or applications are required, unlike 1D barcodes which can be read with any scanner.

High print quality and clarity are required, otherwise they may not be recognized.

There may be a security risk because users cannot directly see the scanned content or the destination URL.

Is QR Code the only two-dimensional barcode?

No. QR Code is not the only two-dimensional barcode.

According to principles, two-dimensional barcodes can be divided into two categories: matrix type and stacked type.

Common types of 2D barcodes include:

Data Matrix, MaxiCode, Aztec, QR Code, PDF417, Vericode, Ultracode, Code 49, Code 16K, etc.

They have different applications in different fields.

In what industries is QR Code widely used?

QR Code is a two-dimensional code that can store a variety of information and can be scanned and recognized using mobile phones and other devices.
QR Code can be applied to multiple industries, such as:
Retail industry: QR Code can be used to display product information, prices, reviews and other content.
Catering industry: QR Code can be used to provide menus, payment methods, coupons and other services.
Education industry: You can use QR Code to share course materials, homework, exams and other information.
Entertainment industry: QR Code can be used to provide movie tickets, concert tickets, game downloads and other functions.

Some application examples of QR Code.

Business cards: QR Codes can be embedded on business cards, allowing users to scan and obtain contact information.

URL: You can link the QR Code to a website for users to access directly.

Map: QR Code can be pointed to a map location to allow users to navigate or view surrounding information.

PDF: QR Code can be linked to a PDF file for users to read or share.

Pictures: The QR Code can contain multiple pictures for users to browse or download.

How many types of QR Code are there?

Divided from different perspectives, there are many types:

Encoding mode: QR Code can use four standard encoding modes to store data, which are (i) numeric, (ii) alphanumeric, (iii) byte or binary, and (iv) Chinese characters.

Version number: QR Code has 40 version numbers, and each version number corresponds to a different number of data modules. The data modules are the black and white squares that make up the QR Code. The higher the version number, the more data modules there are and the more data can be stored.

Model: QR Code has two models, namely Model 1 and Model 2. Model 1 is the original QR Code. The largest version number is 14 (73 x 73 modules) and can store up to 1,167 numbers. Model 2 is an improvement on Model 1. The maximum version number is 40 (177 x 177 modules) and can store up to 7,089 numbers.
 

Why does mobile payment use QR Code?

The reasons for using QR Code for mobile payment are as follows:

QR Code can quickly and easily transmit payment information without entering a card number or password.

QR Code can save the cost of payment terminals and is suitable for merchants of various scenarios and sizes.

QR Code can support a variety of payment methods, such as bank cards, e-wallets, third-party payment platforms, etc.

QR Code can reduce the risks of contact payments and improve payment security and hygiene.

Is VCard a QR Code? What's the difference between them?

VCard and QR Code are not the same thing, they have some differences.

VCard is a file format that can save contact information. QR Code is a two-dimensional code that can store or link to different types of data, such as URLs, text, images, etc.

You can use VCard as a data type of QR Code and obtain or share VCard by scanning QR Code.

How many countries currently use QR Code for mobile payments?

There are many countries that use QR Code for mobile payments, including China, India, Vietnam, Singapore, Philippines, Malaysia, Thailand, Italy, France, Spain, Germany, the United States, Canada, Brazil, Australia, Ireland and the United Kingdom.

Compared with other QR codes, what are the advantages of QR Code? Why can it become the most widely used QR code?

QR Code has become the most widely used QR code because of its flexibility and practicality.

QR Code can store more information, such as website addresses, phone numbers, text, etc.

Its advantages are fast scanning, high error tolerance, automatic error correction, customized appearance, and the ability to generate dynamic and static QR codes.

The difference between QR Code and other QR codes mainly lies in the encoding method and capacity. QR Code uses four standardized encoding modes: numeric, alphanumeric, byte or binary, and Chinese characters. QR Code can store up to 7089 numbers or 2953 bytes.

What are the future development prospects of QR Code?

QR Code, like Data Matrix and other QR codes, has broad application prospects.

Two-dimensional barcodes have many advantages that one-dimensional barcodes cannot compare with. Although it is still in its infancy, driven by the constantly improving market economy and rapidly developing information technology, coupled with its unique characteristics, two-dimensional barcodes , countries' demand for the new technology of two-dimensional barcodes is increasing day by day.

Especially in the past two years, two-dimensional barcodes have begun to be applied in many industries, and many far-sighted manufacturers have also begun to get involved in the field of two-dimensional barcodes.

Compared with other automatic identification technologies, 2D barcodes have unique advantages
With the development of science and information technology, automatic identification technology is becoming more and more popular. The key points of automatic identification technology are mainly in improving data quality and input speed and eliminating human interference. Among them, automatic identification technologies that perform well include barcodes, magnetic cards, IC cards and radio frequency identification. However, two-dimensional barcodes have obvious advantages in terms of information carrier cost, information volume, confidentiality, anti-pollution and anti-interference, and standardization, and have good prospects for promotion and application.

First of all, in the application field of automatic identification technology, two-dimensional barcodes have many advantages:

1) The production cost of forms and documents using two-dimensional barcodes is low.

Two-dimensional barcodes can be printed using common inkjet printers, laser printers, and thermal transfer printers, and can be printed on paper, cards, or PVC cards. Therefore, compared with other automatic identification technologies, it is low in cost and has good practical value.

2) Forms and documents using two-dimensional barcodes have good fault tolerance and long service life.

Various forms and documents may be damaged and contaminated to varying degrees during use. Therefore, higher requirements are placed on their service life and machine reading capabilities. The 2D barcode uses an error correction algorithm and has strong error correction capabilities. Even after part of it is damaged, it can still be read by a machine through error correction.

3) Reduced dependence on the main system and network, thereby reducing costs and improving reliability.

The two-dimensional barcode is a portable data file that can carry a large amount of information itself and does not need to be connected to an external database. Therefore, when calculator and database support are not available, the two-dimensional barcode can also be read through a portable data terminal. information in the barcode, thereby reducing dependence on the main system and network, reducing usage costs and improving reliability.

4) The machine-readable function of documents is realized.

The machine-readability and anti-counterfeiting capabilities of documents are the hallmarks of the new generation of documents. Two-dimensional barcodes can encode important information such as the holder's name, certificate number, blood type, gender, etc., and can be automatically read by machines, solving the problem of automatic entry of document data information.

5) Improved the anti-counterfeiting capabilities of documents.

Two-dimensional barcodes have good anti-counterfeiting capabilities. Using two-dimensional barcodes on documents can improve the anti-counterfeiting capabilities of documents by mathematically encrypting the data information represented by the two-dimensional barcodes. Currently, mathematical encryption technology is already a very advanced and mature technology in the world. Therefore, the anti-counterfeiting ability of the document can be greatly increased.

Therefore, the high technology of two-dimensional barcode has great promotion and application value.

Secondly, 2D barcodes have market space.

As a new barcode technology, 2D barcode has been widely used in fields such as national defense, medical care, commerce, finance, and logistics management. Because two-dimensional barcodes have large information capacity, good confidentiality and anti-counterfeiting properties, and low cost, they have very broad application prospects. It is foreseeable that two-dimensional barcode technology will bring considerable social and economic benefits to the development of the information industry and modern economic construction.

Especially products in the pharmaceutical and electronic fields. Medical and electronic products are small and do not have enough space to accommodate traditional barcodes. The high density of 2D barcodes allows automatic identification of these products. For example, some electronic chips are expensive and must be tracked. In addition, the use of two-dimensional barcodes for mandatory controlled drugs in Western countries is also imperative in other countries, so the above technology will become increasingly important.

Two-dimensional barcodes have now entered the stage of systematic application in Western developed countries. Their application fields and usage methods have largely guided the development direction of the world's two-dimensional barcodes. Manufacturers and dealers of 2D barcode related equipment want to enter a wide range of fields, involving a wide range of areas and closely related to people's daily work and life, such as railway transportation, ID cards, household appliances and public utilities. This is almost Involving every family and every person, this indicates that 2D barcodes will enter our lives and penetrate into our lives.

In recent years, information technology and automated management have developed rapidly. Driven by the information industry and commercial automated management, two-dimensional barcode technology, one of the important means of automatic collection of information data, has been rapidly promoted and applied. Since 1998, sales of two-dimensional barcode reading equipment have grown exponentially, and the development momentum is satisfactory. There is no doubt that information technology and modern management are global development trends. As an important part of information technology, two-dimensional barcodes have broad room for development with the development of information technology and modern management, the improvement of people's awareness and deepening of understanding, and the increase in people's anti-counterfeiting requirements for products and various documents.

Most commonly used barcode types

EAN-13 code: Product barcode, universal, supports 0-9 digits, 13 digits in length, has grooved.

UPC-A code: Product barcode, mainly used in the United States and Canada, supports 0-9 numbers, 12 digits in length, has grooves.

Code-128 code: Universal barcode, supports numbers, letters and symbols, variable length, no grooves.

QR-Code: Two-dimensional barcode, supports multiple character sets and encoding formats, variable length, and has positioning marks.

Why are there many types of barcodes?

There are many types of barcodes because they have different uses and characteristics.

For example, a UPC [Universal Product Code] is a barcode used to label retail products and can be found on nearly every item sold and in grocery stores in the United States.

CODE 39 is a barcode that can encode numbers, letters and some special characters. It is commonly used in manufacturing, military and medical fields.

ITF [Interleaved Two-Five Code] is a barcode that can only encode an even number of digits. It is commonly used in the logistics and transportation fields.

NW-7 [also known as CODABAR] is a barcode that can encode numbers and four start/end characters. It is commonly used in libraries, express delivery and banks.

Code-128 is a barcode that can encode all 128 ASCII characters. It is commonly used in areas such as package tracking, e-commerce and warehouse management.

What is the historical origin of barcodes?

In 1966, the National Association of Food Chains (NAFC) adopted bar codes as product identification standards.

In 1970, IBM developed the Universal Product Code (UPC), which is still widely used today.

In 1974, the first product with a UPC barcode: a pack of Wrigley's gum was scanned in an Ohio supermarket.

In 1981, the International Organization for Standardization (ISO) approved Code39 as the first alphanumeric barcode standard.

In 1994, Japan's Denso Wave Company invented QR-Code, a two-dimensional barcode that can store more information.

Barcode application examples

Barcode Apps for Food Tracking: Apps that record the nutritional content, calories, protein and other information of the food you eat by scanning the barcode on the food label. These apps can help you record your eating habits, Manage your health goals, or understand where your food comes from.

Transportation and logistics: Used for ordering and distribution codes, product warehousing management, logistics control systems, ticket sequence numbers in international aviation systems. Barcodes are used in ordering and distribution in the logistics and transportation industry. They can be used to string Line Shipping Container Codes (SSCCs) are encoded to identify and track containers and pallets in the supply chain. They can also encode other information such as best before dates and lot numbers.

Internal supply chain: internal management of the enterprise, production process, logistics control system, ordering and distribution codes. Barcodes can store various information, such as item number, batch, quantity, weight, date, etc. This information can Used for tracking, sorting, inventory, quality control, etc., to improve the efficiency and accuracy of the company's internal supply chain management.

Logistics tracking: Barcodes are widely used in logistics tracking. It can be used to identify goods, orders, prices, inventory and other information. By affixing barcodes on packaging or shipping boxes, it is possible to achieve warehouse entry and exit. Automatic identification and recording of distribution, inventory and other logistics information to improve the accuracy and efficiency of logistics management.

Production line process: Barcodes can be used for factory production line process management to improve production efficiency and quality. Barcodes can identify product numbers, batches, specifications, quantities, dates and other information to facilitate traceability during the production process. Inspection, statistics and other operations. Barcodes can also be integrated with other systems, such as ERP, MES, WMS, etc., to achieve automatic collection and transmission of data.

Some common barcode application areas

Ticket Verification: Cinemas, event venues, travel tickets and more use barcode scanners to verify tickets and the admission process.

Food Tracking: Some apps allow you to track the food you eat via barcodes.

Inventory Management: In retail stores and other places where inventory needs to be tracked, barcodes help record the quantity and location of items.

Convenient checkout: In supermarkets, shops and restaurants, barcodes can quickly calculate the price and total of goods.

Games: Some games use barcodes as interactive or creative elements, such as scanning different barcodes to generate characters or items.

Benefits of using barcodes

Speed: Barcodes can scan items in a store or track inventory in a warehouse faster, thus greatly improving the productivity of store and warehouse personnel. Barcode systems can ship and receive goods faster to reasonably way to store and locate items.

Accuracy: Barcodes reduce human error when entering or recording information, with an error rate of approximately 1 in 3 million, and enable real-time information access and automated data collection anytime, anywhere.

Cost Effectiveness: Barcodes are cheap to produce and print, and can save money by increasing efficiency and reducing losses. Barcoding systems allow organizations to accurately record the quantity of product left, its location and when reorders are needed, which This avoids waste and reduces the amount of money tied up in excess inventory, thereby improving cost efficiency.

Inventory Control: Barcodes help organizations track the quantity, location and status of goods throughout their life cycle, improve the efficiency of moving goods in and out of warehouses, and make ordering decisions based on more accurate inventory information.

Easy to use: Reduce employee training time because using the barcode system is easy and less error-prone. You only need to scan the barcode label attached to an item to access its database through the barcode system and obtain information related to the item. information.

Application of barcodes in inventory management

Goods Receipt: By scanning the barcode on received goods, the quantity, type and quality of goods can be quickly and accurately recorded and matched with purchase orders.

Shipping: By scanning the barcode on outgoing goods, the quantity, destination and status of the goods can be quickly and accurately recorded and matched with sales orders.

Moving warehouse: By scanning the barcodes on the goods and warehouse locations, the movement and storage of goods can be quickly and accurately recorded, and inventory information updated.

Inventory: By scanning the barcodes on goods in the warehouse, you can quickly and accurately check the actual quantity of goods and the system quantity, and find and resolve discrepancies.

Equipment Management: By scanning the barcode on the equipment or tool, you can quickly and accurately record the use, repair and return of the equipment or tool, and prevent loss or damage.

About QR-Code

QR-Code was invented in 1994 by a team led by Masahiro Harada of the Japanese company Denso Wave, based on the barcode originally used to mark automobile parts. It is a two-dimensional matrix barcode that can achieve multiple uses.

QR-Code has the following advantages compared with one-dimensional barcodes:

QR-Code can store more information because it uses a two-dimensional square matrix instead of one-dimensional lines. One-dimensional barcodes can usually only store dozens of characters, while QR-Code can Stores thousands of characters.

QR-Code can represent more data types, such as numbers, letters, binary, Chinese characters, etc. One-dimensional barcodes can usually only represent numbers or letters.

QR-Code can be scanned and recognized faster because it has four positioning marks and can be scanned from any angle. One-dimensional barcodes usually need to be scanned from a specific direction.

QR-Code is more resistant to damage and interference because it has error correction capabilities that can recover partially lost or obscured data. One-dimensional barcodes generally do not have such capabilities.

The difference between two-dimensional barcodes and one-dimensional barcodes mainly lies in the encoding method and information capacity. Two-dimensional barcodes use a two-dimensional square matrix, which can store more information and represent more data types. One-dimensional barcodes use one-dimensional lines, can only store a small amount of information, and can only represent numbers or letters. There are other differences between two-dimensional barcodes and one-dimensional barcodes, such as scanning speed, error correction capabilities, compatibility, etc.

QR-Code is not the only two-dimensional barcode. According to the principle, two-dimensional barcodes can be divided into two categories: matrix and stacked. Common two-dimensional barcode types are: Data Matrix, MaxiCode, Aztec, QR -Code, PDF417, Vericode, Ultracode, Code 49, Code 16K, etc., they have different applications in different fields.

The two-dimensional barcode developed on the basis of the one-dimensional barcode has advantages that the one-dimensional barcode cannot compare with. As a portable data file, although it is still in its infancy, it is in the ever-improving market. Driven by the economy and rapidly developing information technology, coupled with the unique characteristics of 2D barcodes, the demand for the new technology of 2D barcodes in various countries is increasing day by day.

What is the difference between EAN-13 barcode and UPC-A barcode?

The EAN-13 barcode has one more country/region code than the UPC-A barcode. In fact, the UPC-A barcode can be regarded as a special case of the EAN-13 barcode, which is the EAN-13 barcode with the first digit set to 0.

The EAN-13 barcode is developed by the International Article Numbering Center and is universally accepted. The code length is 13 digits, and the first two digits represent the country or region code.

UPC-A barcode is produced by the United States Uniform Code Committee and is mainly used in the United States and Canada. The code length is 12 digits, and the first digit indicates the numeric system code.

EAN-13 barcode and UPC-A barcode have the same structure and verification method, and similar appearance.

EAN-13 barcode is a superset of UPC-A barcode and can be compatible with UPC-A barcode.

If I have a UPC code, do I still need to apply for an EAN?

No need. Both UPC and EAN can identify goods. Although the former originated in the United States, it is part of the global GS1 system, so if you register UPC under the GS1 organization, it can be used globally. If you need to print a 13-digit EAN barcode, you can add the number 0 in front of the UPC code.

UPC-A barcodes can be converted to EAN-13 barcodes by prepending 0. For example, the UPC-A barcode [012345678905] corresponds to the EAN-13 barcode [0012345678905]. Doing this ensures Compatibility with UPC-A barcodes.

About Code-128 barcode

Code-128 barcode was developed by COMPUTER IDENTICS in 1981. It is a variable-length, continuous alphanumeric barcode.

Code-128 barcode consists of a blank area, a start mark, a data area, a check character and a terminator. It has three subsets, namely A, B and C, which can represent different character sets. It can also be used to achieve multi-level encoding through the selection of starting characters, code set characters, and conversion characters.

It can encode all 128 ASCII characters, including numbers, letters, symbols and control characters, so it can represent all characters on the computer keyboard.

It can achieve high-density and efficient data representation through multi-level encoding, and can be used for automatic identification in any management system.

It is compatible with the EAN/UCC system and is used to represent the information of the storage and transportation unit or logistics unit of the commodity. In this case, it is called GS1-128.

Code-128 barcode standard was developed by Computer Identics Corporation [USA] in 1981. It can represent all 128 ASCII code characters and is suitable for convenient application on computers. The purpose of formulating this standard is to Improve barcode encoding efficiency and reliability.

Code128 is a high-density barcode. It uses three versions of character sets [A, B, C] and the selection of starting characters, code set characters, and conversion characters, according to different data Type and length, choose the most appropriate encoding method. This can reduce the length of the barcode and improve encoding efficiency. In addition, Code128 also uses check characters and terminators, which can increase the reliability of the barcode and prevent misreading or missed reading.

Code-128 barcode is widely used in internal management of enterprises, production processes, and logistics control systems. It has many application scenarios, mainly in industries such as transportation, logistics, clothing, food, pharmaceuticals, and medical equipment.

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