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Barcode Generator

Create a Code 128 barcode from text in seconds

バーコード設定

Code 128 B でバーコード画像を生成します。

使用できるのは印字可能な ASCII 文字です。日本語や絵文字は Code 128 B では扱えません。

2 px
120 px

プレビュー

入力が有効なら自動でバーコードを描画します。

0 px

用途の例

在庫管理ラベルの試作、梱包指示書の差し込み、社内システムの動作確認用コード作成に向いています。

About Barcode Generator

Barcode Generator is a simple browser-based utility for creating Code 128 barcodes from typed text and exporting them as PNG images. It is useful when you need a quick barcode mockup for product labels, warehouse workflows, shipping documents, inventory tests, or internal documentation.

The barcode is rendered on a canvas immediately after you enter valid text, so you can inspect the proportions before saving the final image. Because the Code 128 encoding is implemented directly in the tool logic instead of relying on an external barcode package, the workflow stays lightweight and transparent. You can adjust the bar width and height to create a compact preview for digital use or a taller version for clearer printing.

This makes the tool handy for prototypes, business operations, and visual QA when you want a dependable barcode image without opening specialized label software.

How to use Barcode Generator

  1. Enter the text you want to encode. The tool uses Code 128 subset B, so printable ASCII characters should be used.
  2. Adjust the bar width and height controls to update the barcode preview on the canvas.
  3. When the result looks right, download the barcode as a PNG image.

Benefits of Barcode Generator

  • Create Code 128 barcode images without depending on a third-party barcode package.
  • Tune the visual density by changing bar width and height before export.
  • Save the result as PNG for mockups, documents, or simple label workflows.

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