Is Barcode Generator really free to use?

Yes. Barcode Generator is 100% free to use with no hidden charges, premium tiers, or usage limits.

Do I need to create an account to use Barcode Generator?

No account is required. You can use this tool instantly without signing up, logging in, or providing any personal information.

Is my data safe when I use Barcode Generator?

Yes. Most processing happens directly in your browser. Your information is never uploaded to our servers unless explicitly stated for specific functionality.

Can I use Barcode Generator on my mobile device?

Yes. This tool is fully responsive and works on smartphones, tablets, and desktop browsers.

How accurate is Barcode Generator?

This tool uses standard, well-tested formulas and algorithms to ensure reliable and accurate results.

Can I use Barcode Generator for commercial work?

Yes. You can freely use this tool for personal, business, and commercial projects without restrictions.

Does Barcode Generator work offline?

This tool requires an internet connection to load but most calculations run locally in your browser after the page is loaded.

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Powerful utilities for developers, designers & creators

Barcode Generator

Create printable Code 39 barcodes for labels, SKUs, assets, and inventory IDs.

Barcode Text

Code 39 supports A-Z, 0-9, spaces, and - . $ / + %

Bar Height

110px

Bar Width

2px

Quiet Zone

24px

Show human-readable text

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Generate Barcodes for Everyday Labels

This free barcode generator creates Code 39 barcodes directly in your browser. Code 39 is a popular linear barcode format for inventory labels, internal SKUs, warehouse bins, asset tags, sample tracking, and simple product workflows.

The generated barcode is rendered as SVG, which keeps the bars sharp at any size. You can download the vector SVG for print layouts or export a PNG when you need a quick image for documents and spreadsheets.

Inventory and SKU Labels

Turn short product codes into scannable labels for shelves, bins, packaging, and stockroom workflows without needing label software.

Print-Friendly Output

Adjust bar height, module width, and quiet zone spacing so the code has enough white space and contrast for common scanners.

SVG and PNG Downloads

Use SVG for crisp print artwork, or download PNG when you need a raster image for quick sharing, office documents, and internal sheets.

Local Browser Rendering

The barcode is generated in JavaScript on your device. Your internal IDs, SKU naming, and label content do not need to be uploaded.

Frequently Asked Questions

It creates Code 39 barcodes, a simple and widely supported linear barcode format for alphanumeric labels.

Code 39 supports uppercase letters A-Z, numbers 0-9, spaces, hyphen, period, dollar sign, slash, plus, and percent.

Most scanners can read Code 39 when the barcode is printed clearly with strong contrast and enough quiet zone spacing on both sides.

Use SVG for printing and design files because it stays sharp at any size. Use PNG for quick documents, emails, and spreadsheets.

The quiet zone is the blank white margin around a barcode. Scanners use it to detect where the barcode begins and ends.

This tool is for Code 39 labels, not official UPC retail barcodes. UPC codes require assigned GS1 numbers and a different barcode format.

No. The barcode is rendered locally in your browser, and downloads are created from the page without sending your text to a server.

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