Barcode Gen
A compact barcode gen for quick CODE128 labels. Enter a value and download a PNG in seconds — lightweight, browser-based, nothing uploaded.
Barcode Gen is a browser-based web developer tool on WebDevToolsBase. A compact barcode gen for quick CODE128 labels. Enter a value and download a PNG in seconds — lightweight, browser-based, nothing uploaded. To use it, paste your input and view the result directly in your browser — no signup and nothing to install.
Barcode Gen is a free QR & Barcode Tools utility that runs entirely in your browser — nothing you enter is uploaded.
How to use Barcode Gen
- Paste the value you need to process into the input box.
- Adjust the Value, Format options to match what you need.
- Barcode Gen updates the output automatically as you type.
- Finish by choosing Download PNG to take the output with you.
About this tool
Everything Barcode Gen does happens on your own device. Barcode Gen encodes supported values into the selected linear barcode format locally with the bundled barcode library.
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. No data is sent anywhere, so it stays fast and private by default.
Frequently asked questions
How do I use Barcode Gen?
Barcode Gen lets you process your input right in the browser using the Value, Format controls, with the result shown instantly and nothing uploaded.
Do I need an account for Barcode Gen?
No — Barcode Gen needs no account, sign-up or installation.
Is my input private in Barcode Gen?
Yes — your input never leaves your device; Barcode Gen does all the work in your browser.
Which format should I choose in Barcode Gen?
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.
Does Barcode Gen work offline?
Once the page has loaded, Barcode Gen keeps working with no network connection.