iToolsPro

Barcode Generator

Batch generate Code128 / EAN-13 / EAN-8 / Code39 barcodes. Export as PNG or SVG vector

Input (one per line)
Barcode type
Generated barcodes
Tip: barcodes are generated locally, nothing is uploaded. EAN-13: enter 12 digits to auto-add the check digit; EAN-8: enter 7.
Code128 · EAN-13 · EAN-8 · Code39

Barcodes, generated in batches, print-ready

Four mainstream barcode standards, batch generation from your input, export as PNG bitmap or SVG vector - handy for price tags and stocktaking.

100% local · nothing uploaded

Features

Multi-standard
Code128 for general use, EAN-13/8 for retail, Code39 for industrial labels - pick as needed.
PNG / SVG
Bitmap for direct printing, vector for lossless scaling - covers price tags and label design.
Batch generation
One per line - generate an entire sheet of price tags or a stock batch, export item by item.

Use cases

🏷 Price tags 📦 Warehouse stocktaking 🗂 Inventory 🧾 Shelf labels

条形码生成器指南Barcode Generator Guide

了解四种条码标准、EAN 校验位规则与常见问题。Four barcode standards, EAN check-digit rules, and answers to common questions.

功能说明What It Does

条形码生成器支持 Code128、EAN-13、EAN-8、Code39 四种标准。每行输入一个内容即可批量生成,每条可单独导出为 PNG 位图或 SVG 矢量文件。

This generator supports Code128, EAN-13, EAN-8 and Code39. Enter one value per line to batch-generate, and export each as PNG bitmap or SVG vector.

全部在浏览器本地完成,数据不会上传。

Everything runs locally in your browser - nothing is uploaded.

标准选型Choosing a standard

Code128 支持全部 ASCII,密度高,适合 SKU、订单号、序列号等任意文本;EAN-13/EAN-8 用于零售商品(可自动计算校验位);Code39 支持字母数字与符号,适合工业与内部标签。

Code128 supports all ASCII with high density - great for SKUs, order numbers and serials. EAN-13/EAN-8 are for retail items (check digit auto-calculated). Code39 covers alphanumerics and symbols for industrial/internal labels.

使用步骤How to Use

  1. 选择条码类型。Choose a barcode type.
  2. 每行输入一个内容,EAN 类型可只填数据位。Enter one value per line; EAN types accept the data digits only.
  3. 点击「生成条码」,逐条导出 PNG 或 SVG。Click "Generate" and export each as PNG or SVG.

常见问题FAQ

Q1. EAN-13 要输入几位?Q1. How many digits for EAN-13?

输入 12 位数据位即可,工具自动计算第 13 位校验位;输入完整 13 位时会校验。Enter the 12 data digits and the 13th check digit is added automatically; a full 13-digit input is validated.

Q2. 打印尺寸够清晰吗?Q2. Will it print clearly?

可调条宽(模块)与条高;SVG 矢量在任意尺寸下不失真,PNG 建议按原始尺寸打印。Adjustable module width and height; SVG is lossless at any size, PNG is best printed at original scale.

Q3. 支持的字符有限制吗?Q3. Any character limits?

Code39 支持 0-9、A-Z 与部分符号;Code128 支持可打印 ASCII;EAN 仅限数字。Code39 covers 0-9, A-Z and some symbols; Code128 covers printable ASCII; EAN is digits only.