Barcode Generator

Make a Code 128, EAN, UPC or ITF barcode and download it as PNG or SVG.

FormatGeneral purpose — letters, digits, symbolsValueShow the value under the bars

Enter a value to generate a barcode

Generated in your browser — the value is never sent to a server.

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Barcode Generator — frequently asked questions

What barcode types are supported?+

Code 128, Code 39, EAN-13, EAN-8, UPC-A, ITF-14, MSI and Pharmacode — the common 1D (linear) barcodes. For 2D codes use the QR Code Generator.

Why does it say my value is invalid?+

Each format has rules — EAN-13 needs 12–13 digits, UPC-A needs 11–12 digits, Code 39 is uppercase only. The hint under the format menu shows what each one accepts.

PNG or SVG?+

SVG for print and packaging (scales with no blur). PNG for pasting into a document or email.

Are the barcodes tracked?+

No. Everything is generated in your browser and the value is never sent anywhere.

你們會把我的檔案上傳到伺服器嗎？+

不會——這裡的每個工具都完全在你的裝置上處理檔案，不會向伺服器上傳任何內容。唯一的例外是 AI 工具，它們會把擷取的文字（而非檔案本身）傳送給 Claude 來完成工作。

有檔案大小限制嗎？+

我們沒有人為設下限制，但由於處理過程在你的瀏覽器中進行，非常大的檔案（超過 500MB 或 1000 頁）會受你裝置記憶體的限制，而非我們的限制。