Barcode Generator
Generate Code 128 barcodes from text
Barcode Generator is a free online tool from BrowserUtils that generate code 128 barcodes from text. It runs entirely in your browser — your data never leaves your device. No account required.
How to use Barcode Generator
- 1 Paste or type your input into the editor above.
- 2 The tool processes your data instantly — right in your browser, with nothing sent to a server.
- 3 Copy the result with one click or continue editing your input.
About Barcode Generator
Free online barcode generator. Create Code 128 barcodes from any text input and download as PNG images, entirely in your browser. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
Barcode Generator specs
- Runtime
- 100% client-side (browser)
- Built on
- HTML Canvas, FileReader, and the OffscreenCanvas API — all client-side image processing
- Cost
- Free — no account, no rate limits, no usage caps
- Browser support
- Chrome 90+, Firefox 88+, Safari 14+, Edge 90+
- Part of
- 299 developer tools on BrowserUtils (100% client-side)
Questions
What barcode format is generated?
This tool generates Code 128B barcodes, which support all standard ASCII characters (letters, numbers, and symbols). Code 128 is widely used in shipping, packaging, and inventory management.
Can I customize the barcode appearance?
Yes, you can adjust the bar width, height, and toggle whether the text label appears below the barcode. The barcode is rendered to a Canvas element and can be downloaded as a PNG image.
What is the difference between a barcode and a QR code?
A barcode is a one-dimensional pattern of vertical lines that encodes a short string, typically used for product identification. A QR code is a two-dimensional grid that can store much more data, including URLs, and is easier to scan from different angles.
Can I scan the generated barcode with a standard barcode reader?
Yes. The generated Code 128 barcodes follow the standard specification and can be read by any hardware or software barcode scanner that supports Code 128.
Does the barcode generator work offline?
Yes. The barcode is rendered entirely in your browser using Canvas. No server connection is needed after the page loads.
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