Barcode Generator

What is Barcode Generator?

Barcode Generator is a free, browser-based tool that helps you produce ready-to-use output in seconds. Generate Code128, EAN, UPC, and other 1D barcodes as SVG. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.

Used by

• Developers
• QA engineers
• Students
• Product teams
• Test-data teams

Recommended workflow

1. 1

   Prepare the input

   Generate a sample or helper artifact, then copy it into the workflow that needs it.

2. 2

   Run Barcode Generator

   Review the preview, copy or download the result, and keep everything local in your browser.

3. 3

   Next recommended tool

   QR Code Generator: Generate downloadable QR codes for URLs, text, and more.

   Open tool
4. 4

   Then continue with

   NanoID Generator: Generate URL-safe NanoID identifiers with a custom alphabet.

   Open tool
5. 5

   Then continue with

   ULID Generator: Generate sortable, timestamp-prefixed ULID identifiers.

   Open tool

Frequently asked questions

How do I use Barcode Generator?

Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Generate Code128, EAN, UPC, and other 1D barcodes as SVG.

Is my data uploaded or stored anywhere?

No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.

Is Barcode Generator free?

Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.

What's the maximum file size?

There's no hard limit imposed by the tool. Because processing happens in your browser, the practical ceiling is your device's available memory — most everyday files work instantly.

Do I need to install anything?

No installs and no extensions — it runs entirely in your web browser and even works offline once the page has loaded.