バーコードジェネレーター

How to use

1. Type or paste the text you want to encode into the input field.
2. Adjust the bar height or toggle the text label below the bars.
3. Click "Download PNG" to save the barcode image.

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よくある質問

Is the barcode generator free?

Yes, completely free with no signup and no usage limits.

Does my data leave my device?

No. The barcode is drawn on an HTML5 Canvas element inside your browser. Nothing is sent to any server.

Does it work on mobile?

Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.