Barcode Generator
Generate 1D barcodes (CODE128, EAN-13, EAN-8, UPC-A, CODE39 and more) and download them as PNGs, all in your browser.
Barcode Generator is a browser-based web developer tool on WebDevToolsBase. Generate 1D barcodes (CODE128, EAN-13, EAN-8, UPC-A, CODE39 and more) and download them as PNGs, all in your browser. To use it, paste your input and view the result directly in your browser — no signup and nothing to install.
Barcode Generator is a free QR & Barcode Tools utility that runs entirely in your browser — nothing you enter is uploaded.
How to use Barcode Generator
- Start by adding the value you want to generate into Barcode Generator.
- Use the Value, Format settings to control the result.
- The result is computed live in your browser as you edit the input.
- Use Download PNG to keep or reuse the result.
About this tool
Barcode Generator runs entirely in your browser. Barcode Generator builds the selected linear barcode in your browser and lets you download the generated output.
Select a format compatible with the value you need to encode, keep clear margins around the bars, and verify a printed barcode with a scanner before relying on it. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.
Frequently asked questions
What does Barcode Generator do?
Barcode Generator runs entirely on your device: add your input using the Value, Format controls, and it generates it locally in real time.
Does Barcode Generator cost anything?
No — Barcode Generator is completely free, with no sign-up and no hidden limits.
Does Barcode Generator upload my data?
No — Barcode Generator processes everything locally in your browser, so nothing you enter is uploaded or stored.
Which format should I choose in Barcode Generator?
Choose a linear barcode format supported by the Format control and provide content valid for that format. Numeric retail formats require their specified digit counts. This tool does not offer QR error-correction settings.
Can I use Barcode Generator without a connection?
Yes — after the first load Barcode Generator runs entirely offline.