Barcode Generator

生成Code128、EAN、UPC等条形码。
Format

Any ASCII characters

Enter text above to generate barcode

7 Formats

Code128, EAN-13, UPC-A, Code39, ITF-14, MSI, Pharmacode

Batch Create

Generate multiple barcodes at once. Import from CSV, TXT, Excel.

PNG / SVG / PDF

Download as high-res PNG, scalable SVG, or multi-page PDF.

Print Ready

Smart A4 grid layout. Prints directly from browser.

关于Barcode Generator

The Barcode Generator creates high-quality barcodes in seven industry-standard formats — Code 128, EAN-13, UPC-A, Code 39, ITF-14, MSI, and Pharmacode — and exports them as scalable SVG, high-resolution PNG, or print-ready PDF. Barcodes are essential for product labelling, inventory management, retail point-of-sale systems, shipping labels, healthcare, and library cataloguing. Code 128 supports the full ASCII character set and is widely used in logistics and warehousing. EAN-13 and UPC-A are the global retail product standards you see on nearly every consumer product. This tool also supports batch generation — paste a list of values (or import a CSV/Excel file) to generate dozens of barcodes at once, preview them in a grid, and download everything as a ZIP archive or print directly on A4-formatted sheets.

如何使用Barcode Generator

  1. Choose a barcode format that matches your use case — Code 128 for general text, EAN-13 for retail products, UPC-A for North American retail, Code 39 for industrial labelling.
  2. In Single mode, type your value in the input field. The barcode renders instantly below.
  3. Use the PNG and SVG buttons to download a single barcode in your preferred format.
  4. Switch to Batch mode and enter one value per line (or import a CSV/TXT/Excel file) to generate many barcodes at once.
  5. Click Generate to process all values, then use the Download buttons to save as a ZIP of PNG or SVG files, or export as a multi-page PDF.
  6. Use the Print button to open a browser print dialog with an optimised A4 grid layout ready for label sheets.

常见问题

Which barcode format should I use for retail products?

Use EAN-13 for products sold internationally and UPC-A for products sold primarily in North America and Canada. Both require a registered GS1 company prefix to ensure globally unique barcodes. Code 128 is appropriate for internal inventory tracking where global uniqueness is not required.

What is the difference between SVG and PNG output?

SVG (Scalable Vector Graphics) is resolution-independent — it can be scaled to any size without pixelation, making it ideal for professional print production. PNG is a raster format at 2× resolution for sharp printing at standard label sizes. Use SVG when sending files to a print shop and PNG for quick digital use.

How do I generate an EAN-13 barcode?

EAN-13 barcodes require exactly 13 digits. The last digit is a check digit calculated from the first 12. If you enter 12 digits, the tool calculates the check digit automatically. You can verify your product's barcode using the GS1 check digit calculator.

Can I generate barcodes in bulk from a spreadsheet?

Yes — use the Import button to upload a .xlsx or .xls Excel file, or a .csv or .txt file. The tool reads all cell values from the first sheet and populates the batch list. You can then generate all barcodes and download them as a ZIP archive.

Are the generated barcodes scannable by real scanners?

Yes — barcodes are generated using the JsBarcode library following industry specifications. They are tested to be scannable by standard barcode readers. For retail use, ensure your product data is registered with GS1 and that the printed barcode meets minimum size requirements (EAN-13: minimum 26.26 mm wide).

Barcode Generator 完全使用指南与免费在线工具

无需安装、完全免费、纯前端本地运行的高效 Barcode Generator 工具

用于快速解决：生成Code128、EAN、UPC等条形码。。无需安装复杂软件，打开网页即可立即使用，极速且安全。

为什么选择 Metoolzy 的 Barcode Generator？

  • 秒级即时响应: 极致性能优化，输入即可见结果。
  • 数据绝对安全: 纯浏览器本地计算，数据绝不上传服务器。
  • 完全免费使用: 无需注册登录，无任何隐形消费。

三步快速上手

  1. 打开 Metoolzy Barcode Generator 工具页面。
  2. 在输入区粘贴或上传您的数据。
  3. 即时查看处理结果并点击复制或下载。

功能对比表

对比项 Metoolzy Barcode Generator 普通在线工具 本地客户端软件
使用成本 永久免费 有次数限制或收费 需购买授权
隐私保护 纯本地内存运行 数据需上传云端 本地运行

适用人群与应用场景

  • 软件开发人员日常调试与数据转换
  • UI/UX 设计师资产处理
  • 运营与办公人员效率提升

常见问题解答 (FAQ)

处理的数据会被记录或保存吗？

绝不会。所有运算均在您的浏览器本地完成，没有任何数据回传。