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បង្កើតកូដបារ្កូដផលិតផលអនឡាញដោយឥតគិតថ្លៃ – គាំទ្រ EAN, UPC, Code 128

របៀបបង្កើតបារកូដដោយឥតគិតថ្លៃនៅលើ iCheckQR

ជំហាន 1

ជ្រើសប្រភេទបារកូដ

ជ្រើសប្រភេទបារកូដនៅក្នុងប្រអប់ ជ្រើសប្រភេទបារកូដ។ iCheckQR គាំទ្រប្រភេទនានាដូចជា EAN-8, EAN-13, EAN-14, EAN-8 Composite Symbology, EAN-13 Composite Symbology, UPC-E, UPC-A Composite Symbology, UPC-E Composite Symbology។

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ជំហាន 2

បញ្ចូលលេខបារកូដ

បញ្ចូលលេខដែលអ្នកចង់បង្កើតបារកូដនៅក្នុងប្រអប់ បញ្ចូលបារកូដ។ អ្នកអាចបញ្ចូលច្រើនដោយចុះបន្ទាត់។ បន្ទាប់មក ចុចប៊ូតុង បង្កើតបារកូដ ដើម្បីបង្ហាញជារូបភាព។

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iCheckQR អនុញ្ញាតឱ្យអ្នកប្ដូររចនាប្រសិនបើចង់:
• ប្ដូរសំរាប់ពណ៌: ពណ៌បន្ទាត់ និងផ្ទៃខាងក្រោយ
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• បង្ហាញអត្ថបទ: បើក/បិទលេខខាងក្រោមបារកូដ

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ជំហាន 4

ទាញយកបារកូដ

ចុចប៊ូតុង ទាញយក ដើម្បីរក្សាទុកបារកូដទៅកាន់ឧបករណ៍របស់អ្នក។ អ្នកអាចជ្រើសទ្រង់ទ្រាយ PNG, JPG, WEBP, PDF

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នៅក្នុងយុគសម័យឌីជីថល កូដរបារស្មូត (barcode) មានតួនាទីសំខាន់ក្នុងការគ្រប់គ្រងខ្សែផ្គត់ផ្គង់ ការលក់រាយ ការដឹកជញ្ជូន ឃ្លាំង និងការត្រួតពិនិត្យទ្រព្យសម្បត្តិផ្ទាល់ខ្លួន។ របៀបកូដរបារដែលពេញនិយមដូចជា EAN-8, EAN-13, UPC-A, UPC-E, Code 128, ITF-14 ជួយឱ្យសហគ្រាសអាចស្វ័យប្រវត្តិកម្មដំណើរការទទួលស្គាល់ និងរក្សាទុកព័ត៌មានបានយ៉ាង លឿន និងត្រឹមត្រូវ។

ប៉ុន្តែ មិនមែនឧបករណ៍ទាំងអស់ទេដែលអាចបំពេញតម្រូវការបច្ចេកទេសពេញលេញ ដូចជាការអនុវត្តតាមរចនាសម្ព័ន្ធកូដត្រឹមត្រូវ ឬអនុញ្ញាតឲ្យទាញយករបារស្មូតបានជាច្រើនទ្រង់ទ្រាយ (PNG, JPG, WEBP, PDF...)។ ដូចនេះ ការត្រូវការបង្កើតកូដរបារអនឡាញដោយឥតគិតថ្លៃកំពុងកើនឡើង – ជាពិសេសសម្រាប់ក្រុមអ្នកចាប់ផ្តើមអាជីវកម្មថ្មី សហគ្រាសតូច មនុស្សបុគ្គល ដែលត្រូវការគ្រប់គ្រងឯកសារ ផលិតផល និងទ្រព្យសម្បត្តិ។

ឥឡូវនេះ អ្នកអាចបង្កើតកូដរបារផលិតផល បានយ៉ាងងាយស្រួល បម្លែងលេខទៅកូដរបារឬរចនាកូដរបារតាមតម្រូវការ – តាមអនឡាញ ដោយឥតគិតថ្លៃ និងមិនចាំបាច់ដំឡើងកម្មវិធី។

iCheckQR ផ្ដល់ឧបករណ៍បង្កើតកូដរបារអនឡាញដែលគាំទ្ររបៀបកូដជាច្រើនជាមួយផ្ទាំងប្រើប្រាស់ងាយស្រួល។ មិនថាអ្នកជាអ្នកចាប់ផ្តើម ឬសហគ្រាសដែលត្រូវការបង្កើតកូដរបារជាច្រើន កម្មវិធីនេះគឺជាជម្រើសដ៏ល្អ។

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ចុះឈ្មោះបារកូដ

ជួយចុះឈ្មោះបារកូដច្បាប់នៃ GS1 ដើម្បីឱ្យផលិតផលអាចចែកចាយនិងលក់បានយ៉ាងមានវិជ្ជាជីវៈ។

ចុះឈ្មោះ

barcode2

បង្កើត QR Code ឥតគិតថ្លៃ

ជាឧបករណ៍មានប្រសិទ្ធភាពក្នុងការផ្សព្វផ្សាយព្រឹត្តិការណ៍ ការប្រជុំ។ បង្កើត QR Code ដោយឥតគិតថ្លៃ ដើម្បីចែករំលែកព័ត៌មាន គេហទំព័រ WiFi ល។

បង្កើត QR កូដ

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How to Create Barcode in Word: Step-by-Step Guide

How to Create Barcode in Word: Step-by-Step Guide

Barcodes are useful tools for inventory management, retail, office work, and many other fields. Even without specialized software, Microsoft Word can help you create barcodes easily and quickly with just a few steps.In this article, iCheckQR provides a detailed guide on three methods to create barcodes in Word, along with formatting tips, printing instructions, and how to choose the right barcode type – helping you apply it efficiently in real-world use cases.1. Can Barcodes Be Created in Word?Answer: Yes. Users can absolutely create barcodes in Microsoft Word using built-in tools (such as barcode fonts), Add-ins, or online barcode generators.Comparison of Basic vs. Advanced MethodsCriteriaBasic Method (Barcode Font)Advanced Method (Add-ins, Online Tools)Ease of UseVery easyEasy with intuitive interfaceSupported Barcode TypesOnly a few (Code 39, Code 128)Many types (EAN-13, QR, etc.)Design CustomizationLimitedMore flexiblePrint QualityStableHigher (if using high-quality images)Professional LookBasicMore professionalLimitations of Word Compared to Specialized Software:Does not support batch barcode generation from data (e.g., from Excel).Lacks error checking, spacing optimization, and precise alignment as seen in software like BarTender.Does not automatically update barcode content if data changes.2. Methods to Create Barcodes in WordMethod 1: Using Barcode Fonts in Word (Code 39, Code 128)Steps:Download free barcode fonts – e.g., Code 39 from dafont.com.Install the font on your computer: Double-click the .ttf file → click "Install".Open Microsoft Word, enter the text to be converted into a barcode (e.g., 123456).Highlight the text → change the font to Code 39 or Code 128.Adjust font size and letter spacing for better scanning readability.Note: Some fonts require an asterisk * at the beginning and end. For example: enter *123456* instead of just 123456.There are 3 ways to create barcodes in WordMethod 2: Using a Barcode Add-in in WordSteps:Go to the Insert tab → click Get Add-ins.Search for the keyword “Barcode” → for example: “Barcode Generator” by Tec-It.Click Add to install → open the Add-in within Word.Enter the data → choose the barcode type: EAN-13, Code 128, QR Code…Click Insert to add the barcode to your document.Pros:Supports many barcode types.User-friendly interface with preview.Cons:Requires an internet connection.Some Add-ins offer premium features for a fee.Method 3: Create Barcode Online Then Insert into WordSteps:Visit: https://icheckqr.com/barcode.Choose the barcode type → enter your content.Click Generate → download the image (PNG or JPG).In Word → choose Insert > Picture → upload the generated image.The barcode generation page on iCheckQRIdeal for:Users needing high-resolution barcodes for label printing.QR codes or complex barcodes that can't be created using fonts.3. Tips for Formatting and Printing Barcodes in WordCreating barcodes in Microsoft Word is simple, but to ensure high-quality output and easy scanning, you should follow some formatting and printing tips:Adjust Size and Position for Better ScanningSize:The width and height should be adjusted so scanners can clearly read the lines.Avoid sizes that are too small (causing distortion) or too large (causing data errors).For 1D barcodes (Code 39, Code 128): Height should be 10–15mm; width depends on data length.For 2D barcodes (QR Codes): Minimum recommended size is 20x20mm for proper scanner recognition.Tips in Word:Select the barcode image or text → Right-click → Size and Position.Go to the Size tab → input exact width and height.Ensure "Lock aspect ratio" is enabled to avoid distortion.Positioning:Center the barcode on the line or within a table cell.Avoid placing barcodes near page margins or cutting zones, which may result in cropping.Maintain a "quiet zone" (white space) of at least 2–3mm around the barcode.Create Tables or Label Templates for Bulk Barcode PrintingIf you need to print multiple barcodes per page (e.g., product labels, cards), use tables or templates:How to Do It:Go to Insert > Table to create a table with the desired number of rows and columns (e.g., 3x5).Each cell will hold a barcode and related product info.Center content both horizontally and vertically to ensure consistent layout.Benefits:Neat and balanced layout, professional printing.Easy to duplicate, manage, or replace individual codes.Tip: Combine Word with Excel (Mail Merge) to auto-generate codes from a list.Set Up Printing for Best Output QualityTo ensure scannability on devices or smartphones, configure your printer and Word properly:Printer Settings:Choose high resolution (300 DPI or higher) for sharp barcodes.Set to “Best” or “High Quality” print mode instead of “Draft”.If using a label printer: use proper barcode label paper and ribbon.Word Settings:Before printing → go to File > Print > Print Preview to check layout.Select appropriate paper size (A4, decal paper, label paper...).Disable image resizing when printing (especially for barcode images).Important Note: Do not take screenshots of barcodes for printing, as image compression may cause inaccuracies. Always use the original image or barcode fonts to ensure code integrity.Proper formatting and printing not only improve scanning accuracy but also enhance the professional appearance of your documents or products. For large volumes, consider using specialized label design software or integrating Excel data for automation.4. Common Barcode Types You Should UseToday, many barcode types serve various industries. Below are four of the most commonly used barcode types – each with specific characteristics and best-use scenarios:Code 39A simple 1D barcode supporting letters (A–Z), numbers (0–9), and some special characters like -, ., /, +.No checksum required.Easily integrated and creatable via barcode fonts in Word. → Used for internal inventory, employee cards, internal product labels.Code 128An advanced 1D barcode supporting full ASCII characters (0–127).Efficient data compression → shorter codes than Code 39.Supports checksums, offering higher scan accuracy. → Suitable for logistics, inventory management, and professional retail.EAN-13A globally standardized 13-digit barcode.Encodes country, company, product, and checksum digits.Easily integrated with retail systems and POS scanners. → Used for consumer product labeling, GS1 registration, required in international retail.Some common types of barcodesSummary Table of Barcode TypesBarcode TypeDescriptionTypical Use CaseCode 39Letters & numbers (basic)Internal inventory, employee cardsCode 128Short, compressed, multi-charLogistics, shipping, advanced retailEAN-1313-digit international standardRetail product labels in supermarketsQR Code2D, stores large dataWebsite links, marketing, tracking, payment5. FAQs About Creating Barcodes in WordCan barcodes created in Word be scanned?Yes. If created properly (with the correct font, asterisks if needed, or high-quality images/Add-ins), barcode readers can scan them accurately.Can I create multiple barcodes at once in Word?Yes, but Word does not support bulk generation like Excel. You can:Manually create each barcode.Or combine Word + Excel + Mail Merge to insert barcodes from a list (for advanced users).Microsoft Word can effectively create barcodes if you know how to utilize barcode fonts, Add-ins, and online tools. While it cannot replace professional software, with the guidance and formatting tips in this article, you can generate and print standard barcodes for many basic needs.We hope this guide helps you successfully create barcodes in Word – simply and professionally.

How to Create Code 128 Barcodes in Excel: A Detailed Guide

How to Create Code 128 Barcodes in Excel: A Detailed Guide

Want to generate Code 128 barcodes quickly without using specialized software? With just Excel, you can easily generate Code 128 barcodes using fonts, VBA, or add-ins.In this article, iCheckQR provides a step-by-step guide on how to create Code 128 barcodes in Excel, suitable for inventory management, label printing, stocktaking, sales, and more.1. Why Create Code 128 in Excel?Excel is a familiar tool, ideal for managing and printing barcode labels. It's commonly used in inventory management, product labeling, and tracking goods. The simple spreadsheet interface makes it easy to handle large datasets without requiring deep technical knowledge.Key Advantages:Generate barcodes in bulk quickly: Just by using formulas or add-ins, you can automatically create multiple Code 128 barcodes for product batches.Easy to use: No need to install complex software. Basic Excel skills are sufficient.Cost-saving: Using Excel reduces software investment costs, especially useful for small businesses or individuals needing to print simple product labels.Some standout advantages of using Excel to create Code 128 barcodes2. Methods to Create Code 128 Barcodes in ExcelOne of the most common and straightforward methods is to use a barcode font. This doesn’t require any specialized software and can be done right in Excel with a few basic configuration steps.Method 1: Use Barcode Font to Create Code 128 in Excel (Most Popular)To convert data into Code 128 barcodes in Excel, follow these steps:Step 1: Download and install Code 128 fontVisit https://www.dafont.com/code-128.font to download the free Code 128 font.After downloading, double-click the .ttf file and click Install to add the font to your system.Step 2: Open Excel and enter dataOpen Excel.Enter the numeric string you want to convert into a barcode.Step 3: Convert to barcode by selecting the fontHighlight the entered data.Select the Code 128 font from the font list.Instantly, the content will appear as a Code 128 barcode.Illustration of creating Code 128 using barcode font in ExcelNote:Code 128 fonts work best when data is encoded according to the standard. Some fonts may require additional start/stop characters or checksums to scan correctly.For advanced needs, consider using dedicated barcode software/tools to automate encoding.For a quicker and easier option, you can use the online barcode generator to create Code 128 barcodes online without installing fonts or add-ins.Method 2: Use VBA Macro to Automatically Create Code 128If you’re working with large datasets, need automation, or require complex logic, using VBA macros in Excel is more efficient than using basic formulas.Simple Steps:Step 1: Install Code 128 fontDownload “Code128.ttf” from the internet (Google: “Code 128 font free download”). Right-click the .ttf file → click Install.Step 2: Open the VBA editorOpen your Excel file.Press Alt + F11 to open the VBA editor (or go to the Developer tab → click Visual Basic).Click Insert → Module.Paste this code:Function EncodeCode128(inputStr As String) As String    ' Add start/stop characters to encode properly with Code128 font    EncodeCode128 = Chr(204) & inputStr & Chr(206)End FunctionPress Ctrl + S to save. Save the file as .xlsm to enable macros.IllustrationStep 3: Create barcode in ExcelExample: Column A contains product codes (e.g., A2 = SP001)In cell B2, enter the formula: =EncodeCode128(A2) → Excel will display a special string for barcode generation.Step 4: Change font to display the barcodeSelect the cell with the formula (e.g., B2).Change the font to Code 128.Increase the font size if needed (16–20 pt for better visibility). You’ll see the string become a scannable barcode.Reminder:You only need to install the font and paste the VBA code once.If Excel gives a security warning, click Enable Content to activate the macro.Method 3: Use Add-ins or External Tools (Optional)Besides using fonts or VBA, you can also use specialized add-ins or external tools integrated with Excel to create Code 128 barcodes more conveniently and visually.Barcode-generating add-ins:IDAutomation Barcode Add-In for Excel: User-friendly toolbar interface, supports formats like Code 128, Code 39, QR Code, etc.TBarCode Office (by TEC-IT): A powerful add-in that integrates with Excel and Word, supporting 100+ barcode types including Code 128, DataMatrix, PDF417...Web interface for barcode creation on TEC-ITAdvantages:Easy to use: No need for VBA or font knowledge. Just install and select the barcode type from the add-in menu.Supports various barcode types: Not just Code 128, but also EAN, UPC, GS1, QR Code, etc.User-friendly interface: Integrated directly into Excel, works smoothly with spreadsheet data.Disadvantages:May require payment: Some add-ins are limited trial versions and need a license for full features.External installation needed: Must download and install from the provider, which might not be feasible on restricted computers.Summary: Using add-ins or external tools is ideal for businesses or individuals who frequently generate various barcode types and want quick actions without deep Excel involvement. However, balance convenience against licensing costs when choosing a tool.3. Common Errors and Fixes When Creating Code 128 in ExcelWhile creating and using Code 128 barcodes in Excel, you may encounter several common issues. Here's a list of common errors and how to fix them:Barcode not scannableCauses:Missing start or stop characters in the encoded string.Incorrect or unsupported barcode font.Fixes:Ensure the barcode string includes appropriate start/stop characters like CHAR(204) and CHAR(206) when using Code128.ttf.Double-check that the correct font is installed and applied in the cell.Illustration: Barcode not scannableBarcode font not showing in ExcelCauses:Font not installed properly.Excel hasn't recognized the font after installation.Fixes:Verify that the font is successfully installed in your OS (Windows/macOS).Restart Excel after installing the font.Ensure you're selecting the correct font name (e.g., “Code 128” or “IDAutomationC128L”).Text appears instead of barcodeCauses:Cells still use default fonts like Calibri, Arial...Barcode font not applied to result cells.Fixes:Select the cells with the barcode string → change to the installed barcode font.Check that the formula or VBA is generating the correct encoded string.Scanner not recognizing barcodeCauses:Barcode too small, blurry, or distorted due to incorrect font size or printing.Inaccurate spacing between bars.Incorrectly formatted Code 128 string.Fixes:Increase font size (typically 20pt+ for Code 128).Align properly and avoid cutting barcode edges.Check that input string and formula conform to Code 128 standards.Illustration: Scanner not reading the barcodeTip: Before mass printing, test scan with a mobile app or actual scanner to ensure the barcode works properly.4. Frequently Asked Questions About Creating Code 128 in ExcelCan I create Code 128 in Excel without VBA?Yes. You can absolutely create Code 128 barcodes in Excel using only barcode fonts and simple formulas—no VBA required.The most popular method involves combining strings with special characters (start/stop) and fonts like Code128.ttf. This is perfect for non-programmers or simple data tasks.Are barcode fonts free for commercial use?It depends on the font. Some barcode fonts like Free3of9.ttf or Code128 variants are free for personal use but may require payment or licensing for commercial environments.Recommendation:Always read the usage terms when downloading fonts from third-party websites.For professional commercial use, consider purchasing licensed fonts from providers like IDAutomation, TEC-IT...Can I print barcodes directly from Excel?Yes. Once you've successfully created the barcodes in Excel (using font or VBA), you can print them directly like any spreadsheet.However, make sure:The barcode font is installed on the printing computer.Font size is large enough for the barcode to be sharp and scannable.Do a test print first to avoid sizing or margin errors affecting the barcode.You can create Code 128 barcodes in Excel using three methods: font, VBA macro, or add-in. Each method helps you quickly generate and print barcodes. Always test with a real scanner before mass printing to ensure functionality. If you need to create many barcodes, consider saving a template file or using macros for automation.

Top 5 Free Barcode Generator Software in 2025

Top 5 Free Barcode Generator Software in 2025

In today's digital era and globally connected supply chains, managing and tracing product origins has become essential for every business — from retail and manufacturing to logistics. Barcodes, with their ability to encode information quickly and accurately, have become indispensable tools for optimizing warehouse operations, tracking inventory, and improving overall stock control.To implement a barcode system effectively, businesses need the support of dedicated barcode generation software. These tools not only allow for fast and flexible creation of various barcode formats (EAN-13, QR, Code 128, etc.), but also offer printing, storage, and integration capabilities with inventory or point-of-sale systems.This article iCheckQR compiles the Top 5 free barcode generator software tools of 2025, helping businesses reduce costs and enhance operational efficiency.1. Key Criteria for Choosing the Best Barcode Generator SoftwareFactors to Consider When Selecting SoftwareChoosing the right barcode generator software significantly impacts the efficiency of inventory management, warehouse operations, and sales processing. Here are the key criteria you should consider:Diverse functional support:Generate and print barcodes in multiple formatsExport images in PNG, SVG, or PDFIntegrate with POS systems, ERP, SAP, or warehouse management softwareSupport for popular barcode types:1D barcodes: EAN-13, UPC, Code 128, Code 392D barcodes: QR Code, Data Matrix, PDF417User-friendly interface:No technical expertise requiredClear instructions or intuitive designAffordable or free to useReliable technical support: Documentation, FAQs, email/live chat support, or user communities.Quick Comparison Table: Top 5 Popular Online Barcode ToolsSoftwareFree / PaidSupported Barcode TypesPOS / SAP IntegrationiCheckQRFree (with optional paid tier)QR Code, EAN-13, Code 128, PDF417Yes (via API, CMS, ERP integration)DoraBot.ioFreeEAN, UPC, Code 39, QR CodeYes (API)Free-barcode.comFreeEAN-13, Code 128, Code 39NoZint Barcode StudioFree (open-source)50+ barcode types (including QR, PDF417)NoOnlineLabels.comFree (with optional paid version)Code 39, UPC, EAN, QR, ISBNNo2. Detailed review of the Top 5 Barcode Generator Software in 20252.1. iCheckQRWebsite: icheckqr.comOverview & Features: iCheckQR is a free online barcode and QR code generator tailored for Vietnamese businesses. It supports various barcode formats such as EAN-8, EAN-13, UPC-A, Code 128, and QR Code. The interface is user-friendly and allows customization of color, size, and file export in PNG or SVG formats.Pricing: Completely free, no ads, and no account registration required. However, to access advanced features, users must create an account and upgrade to a paid plan.Pros:Supports a wide range of barcode and QR code formatsVietnamese interface, easy to useNo registration required; works directly on the browserCons:Does not support batch barcode generationNo direct integration with POS or ERP systems2.2. DoraBot.ioWebsite: dorabot.ioOverview & Features: DoraBot.io provides a free online barcode generator supporting formats such as Code 128, Code 39, EAN-13, and UPC-A. Users can customize dimensions, colors, and export the barcode as a PNG file.Pricing: Free to use, no registration required.Pros:Simple and intuitive interfaceSupports customization of barcode color and sizeNo account requiredCons:Does not support QR code generationNo batch creation feature2.3. TEC-IT Barcode GeneratorWebsite: barcode.tec-it.comOverview & Features: TEC-IT offers a robust barcode generator tool that supports most 1D and 2D formats such as Code 128, EAN-13, QR Code, and Data Matrix. It allows detailed customization of size, color, and image format.Pricing: Free online version available; a paid version offers advanced features.Pros:Supports a wide variety of barcode and QR code formatsAdvanced customization for size and appearanceAPI available for system integrationCons:English-only interface may be a barrier for non-English speakersSome advanced features are only available in the paid version2.4. Free-Barcode.comWebsite: free-barcode.comOverview & Features: Free-Barcode.com is a free online barcode generator supporting Code 128, EAN-13, and UPC-A formats. Users can customize the size and download the barcode in PNG format.Pricing: Completely free, no registration required.Pros:Clean, easy-to-use interfaceNo account neededFast barcode generationCons:Limited barcode format supportLacks advanced customization features.2.5. Barcode-Maker.comWebsite: barcode-maker.comOverview & Features: Barcode-Maker.com provides a free online tool for generating barcodes in formats like Code 128, EAN-13, and UPC-A. It allows users to adjust dimensions and download in PNG format.Pricing: Free to use, no registration required.Pros:User-friendly interfaceQuick and easy barcode generationNo registration neededCons:Limited support for barcode typesNo advanced customization options3. How to use popular online Barcode generator tools3.1. iCheckQRStep 1: Visit: https://icheckqr.com/barcodeStep 2: Choose the type of barcode you want to generate (EAN-13, Code 128, QR Code, etc.)Step 3: Enter the data into the “Data” field Step 4: Customize the foreground color, background color, etc.Step 5: Preview the barcode on the right panelStep 6: Download the barcode in PNG, WEBP, PDF, or other supported formats3.2. DoraBot.ioStep 1: Visit dorabot.ioStep 2: From the top menu, select “Barcode” and fill in the required fieldsStep 3: Choose a suitable barcode type (EAN-13, Code 128, Code 39, etc.)Step 4: Customize size, color, layout, and other settingsStep 5: Preview and download your barcode3.3. TEC-IT Barcode GeneratorStep 1: Navigate to barcode.tec-it.comStep 2: Select the barcode type from the list (Code 128, Code 28, EAN-8, UPC-A, etc.)Step 3: Enter your data in the “Data” input fieldStep 4: Click the “Refresh” button to generate the barcodeStep 5: Download the barcode to your device4. Practical Applications of Barcode Generator Software in BusinessWarehouse Management and Supply Chain OptimizationIn modern warehouse operations, using barcodes in combination with barcode generator software plays a critical role in automating and digitizing the entire inventory management process.By scanning barcodes attached to each product unit or pallet, warehouse staff can:Check real-time inventory levels with a single scanAutomatically update inbound and outbound data into ERP/POS systems without manual inputMinimize human error while accelerating order processing and logisticsRetail Management and Warranty ActivationIn the retail sector, barcodes not only speed up the checkout process but also serve as the key to:Linking product information with the POS systemActivating digital warranties immediately upon purchase via a unique barcode on each itemEasily accessing the product’s sales, return, or warranty history with a single scan5. Frequently asked questions about Barcode generator softwareWhat is the best free barcode generator for small businesses?iCheckQR and DoraBot.io are two excellent free options. They are easy to use, support popular barcode types, and offer basic integration with inventory or sales management systems.How do I connect barcode software to a label printer?After generating the barcode, simply export it in a common format (PNG, PDF, SVG) and use label printing software (e.g., Bartender, Zebra Designer) to send print commands to your label printer. Some tools may support direct printing via driver integration.Which barcode type is best for supply chain use?Code 128 and EAN-13 are the most widely used in supply chains due to their compact structure, high data capacity, and compatibility with global scanning systems.ConclusionIn an increasingly competitive landscape where lean and efficient operations are vital, barcodes are no longer optional - they are the standard for smart business operations. Whether you run a small retail shop or a large-scale logistics company, implementing a free barcode generator can help you cut costs, reduce errors, speed up processes, and boost overall productivity.Choose the right tool and generate your first product barcode today - just a few simple clicks, but long-term impact for your business.Optimize operations with barcodes - the smart key to enterprise management in the Industry 4.0 era, powered by iCheckQR.

What is Code 39? Structure, Applications, and How to Generate It

What is Code 39? Structure, Applications, and How to Generate It

In today’s modern world—where every process is geared toward accuracy, speed, and traceability—barcodes have become an essential “language” in the management of goods and information.Among the most common barcode standards, Code 39 stands out for its simplicity, ease of implementation, and high compatibility with many device systems. As one of the first alphanumeric barcode types, Code 39 is widely used in healthcare, industry, defense, and supply chains.In this article, iCheckQR will help you understand what Code 39 is, its structure and how it works, along with a step-by-step guide to generate Code 39 barcodes for free and with high accuracy. Additionally, we provide real-world application examples to help you integrate Code 39 into your business management system effectively and professionally.1. What is Code 39? Definition and HistoryDefinition of Code 39Code 39 is a linear (1D) alphanumeric barcode type, capable of encoding both letters (A–Z), numbers (0–9), and a few special characters (such as “-”, “.”, “$”, “/”, “+”, “%”, and space).Each character in Code 39 is represented by a combination of 9 bars and spaces, including 3 wide elements, which gives it the name "Code 3 of 9."This barcode standard was first developed in 1974 by Intermec Corporation, with contributions from barcode expert Dr. David Allais, a pioneer in Automatic Identification (AutoID) technology.Thanks to its simplicity, no requirement for a checksum, and easy readability by most modern 1D barcode scanners, Code 39 is commonly used today for labeling and identifying assets, products, documents, and trackable items.Popular Applications of Code 39Due to its reliability and flexibility, Code 39 is used across multiple industries:Logistics and inventory management: Encodes order numbers, cartons, and pallets, allowing fast tracking across the supply chain.Healthcare: Used on medical records, patient wristbands, and medical devices to enhance safety and accuracy in treatment.Industrial manufacturing: Applies to components, semi-finished goods, and tools to track product lifecycle and production stages.Defense and military: Employed in asset identification systems, compliant with MIL-STD-1189 (U.S. Department of Defense standard).Case Study: Using Code 39 in Medical Equipment ManagementSeveral hospitals have implemented asset management systems using Code 39 barcodes to monitor and manage medical devices. For instance, GigaTrak’s medical equipment tracking software allows users to create custom barcode labels—including Code 39 format—to attach to equipment such as wheelchairs, hospital beds, and monitoring devices. This helps medical staff quickly locate devices, track maintenance history, and comply with healthcare regulations.In addition, a study conducted at the Federal University of Minas Gerais Hospital (HC-UFMG) in Belo Horizonte, Brazil, showed that applying an effective medical equipment management system—including barcode tracking—enhanced the efficiency of equipment maintenance and overall management.2. Structure and Encoding Principles of Code 39Structural Components of Code 39Code 39 includes 43 characters: 26 letters, 10 digits, and 7 special characters.It starts and ends with an asterisk (*), which serves as the start/stop character.Code 39 is a linear (1D) barcode system with a clear and standardized structure, comprising a total of 43 valid characters, including:26 uppercase letters: A to Z10 digits: 0 to 97 special characters: -, ., space, $, /, +, %Each Code 39 string must be enclosed by a start and stop character—the asterisk *. This character does not represent actual data, but instead marks the boundaries of the barcode, helping the scanner identify the beginning and end.Example: Encoding the string “iCheckQR 123” will result in the actual barcode format: *ICHECKQR 123*Note: The space between characters also plays an important role in the encoding process.Encoding and Decoding Principles of Code 39Each character in Code 39 is encoded using a combination of 9 elements:5 black bars4 white spacesAmong these 9 elements, only 3 are "wide", while the rest are "narrow". The unique arrangement of wide and narrow bars and spaces produces the distinctive encoding for each character.The standard structure of Code 39 does not require a checksum, making it easy to implement. However, some applications may choose to include an optional checksum (commonly using the Modulo 43 algorithm) to enhance data reliability.Example: The character “A” is encoded as a sequence of bars and spaces in the following pattern: narrow bar, wide space, narrow bar, wide space, narrow bar, narrow space, narrow bar, narrow space, wide bar3. Comparing Code 39 with Other Barcode TypesCode 39 vs. Code 128 and QR CodeEach barcode type has its own advantages and limitations depending on the usage context. Below is a comparison of the three most common barcode types:CriteriaCode 39Code 128QR CodeCharacter SetAlphanumeric (letters & numbers)Alphanumeric + special charactersVersatile (text, numbers, symbols, images, URLs, etc.)Code LengthLonger (requires more print space)Shorter due to more efficient encodingShortest (compact, stores more data)Scan SpeedModerateFast (fewer read errors)Very fast (especially with modern cameras)Common ApplicationsIndustry, healthcareTransportation, logisticsMarketing, traceability, etc.Conclusion:Code 39: Ideal when long data encoding is not required and compatibility with existing hardware is a priority.Code 128: A better option for compact spaces and complex data.QR Code: Best suited for end-users, mobile devices, and interactive applications.Advantages and Limitations of Code 39Key Advantages:Easy to generate: Can be printed using any printer that supports barcode fonts or common software tools.No checksum required: Simplifies processing by eliminating the need for complex verification.Widely supported: Compatible with most standard 1D barcode scanners.Beginner-friendly: Requires no advanced configuration or setup.Notable Limitations:Code length increases rapidly with the number of characters → results in a large barcode size, taking up significant print space, making it unsuitable for compact environments.Limited security: Data is not encrypted or obscured.Not suitable for large or complex datasets.4. How to Generate a Free and Accurate Code 39 BarcodeCreate Code 39 Barcodes Using Excel and WordStep 1: Download and Install a Free Code 39 FontVisit a trusted website to download a free Code 39 font (e.g., "Free 3 of 9").Once downloaded, extract the file, right-click on the font file, and select Install to add it to your system.Step 2: Add Asterisks (*) to the Beginning and End of the Code StringOpen Excel or Word and enter the data string you want to encode.To ensure the Code 39 barcode functions properly, you must add an asterisk (*) at both the beginning and end of the data string.For example:Original string: ABC123Encoded string: *ABC123*Note: The asterisk (*) does not represent part of the actual data. It serves as the start and stop symbol for the Code 39 barcode.Step 3: Format the Font and Print the BarcodeHighlight the encoded string (including the asterisks).Change the font to Code 39 (or the specific name of the font you installed, such as "Free 3 of 9").Adjust the font size so the barcode displays clearly and is suitable for printing.Print the document to use the barcode on products, documents, or labels.Important NotesCode 39 supports the following characters: uppercase letters (A–Z), numbers (0–9), and a few special characters: -, ., $, /, +, %, and space.You do not need specialized software—Microsoft Word or Excel with a Code 39 font is sufficient.Ensure your printer has adequate resolution to produce clear, scannable barcodes for accurate reading by scanners.Besides creating barcodes using Excel or Word, you can also generate barcodes online for free using tools such as iCheckQR.5. Real-World Applications of Code 39 in Warehouse and Logistics ManagementIntegrating Code 39 into POS and ERP SystemsCode 39 barcodes, with their ability to encode both letters and numbers, are widely used in integration with management systems such as POS (Point of Sale) and ERP (Enterprise Resource Planning). This integration offers several benefits:Data synchronization: Automatically and accurately updates product, inventory, and order information across departments.Enhanced operational efficiency: Minimizes errors from manual data entry and optimizes sales and inventory processes.Improved customer experience: Provides quick access to product information, facilitating smoother checkout and after-sales support.According to Hicron Software, integrating POS and ERP enables businesses to gain a comprehensive view of operations—from sales to inventory and financial management—improving both efficiency and profitability.Inventory Control and Traceability Using Code 39Code 39 is effectively applied in inventory control and traceability within the supply chain:Inventory management: Attaching Code 39 barcodes to each product allows for tracking quantities, locations, and item statuses in the warehouse.Traceability: Enables identification of batch information, manufacturing date, expiration date, and supplier, ensuring product safety and transparency.More efficient stocktaking: Using barcode scanners reduces inventory audit time, minimizes errors, and increases accuracy.According to Pallite Group, barcode technology—including Code 39—has redefined inventory management by enabling real-time data updates and automated order processing, leading to improved warehouse performance.6. Frequently Asked Questions About Code 39Does Code 39 require a license or royalty fee?No. Code 39 is a royalty-free barcode standard and does not require a license for use. You can create and print Code 39 barcodes using free barcode fonts or software such as GNU Barcode or Zint.Can Code 39 be used in retail systems?Yes, it can—but it is not recommended. Code 39 has a low data density, which results in longer barcodes that take up more print space. In retail environments, standards such as EAN-13 or UPC are preferred because they are more compact, globally standardized, and optimized for POS (Point of Sale) systems.How can I encode long data efficiently?To encode long data while maintaining efficiency, you can:Switch to Code 128: This barcode has higher data density, allowing for shorter barcode lengths.Use 2D barcodes like QR Code or Codablock: In particular, Codablock A, a stacked version of Code 39, can encode up to 1,340 characters in a more compact format.Optimize the encoded content: Use abbreviations or shortened identifiers to reduce the overall data length.ConclusionCode 39 is not just one of the oldest barcode standards—it remains a reliable encoding solution for various modern industries. With its broad character support, ease of implementation, royalty-free use, and high flexibility, Code 39 continues to play an important role in inventory systems, traceability, and automation.From simple barcode creation using Excel or Word, to integration into POS, ERP, WMS, or other warehouse management systems—Code 39 can seamlessly become a core part of your digital process transformation strategy.If you're looking for a barcode type that is simple, easy to adopt, and suitable for basic to moderate-level management needs, Code 39 is a great place to start.