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Barcode Generator

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Generate 1D barcodes (EAN, UPC, Code 128, Code 39) from any numeric or alphanumeric string.

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Barcode Generator

Generate 1D barcodes from text or numbers

Barcode Types

  • Code 128: Can encode all 128 ASCII characters
  • Code 39: alphanumeric, used in military and automotive
  • EAN-13: International product barcodes (12 digits + check digit)
  • EAN-8: Short product barcodes (7 digits + check digit)
  • UPC-A: US product barcodes (11 digits + check digit)
  • Codabar: Used in libraries, blood banks, etc.

Quick answers for Barcode Generator

What does the Barcode Generator do?
Generate 1D barcodes (EAN, UPC, Code 128, Code 39) from any numeric or alphanumeric string. The Barcode Generator is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Barcode Generator?
Open the Barcode Generator on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Barcode Generator free to use?
Yes. The Barcode Generator is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Barcode Generator safe and private?
Yes. The Barcode Generator processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
Are my images uploaded anywhere when I use the Barcode Generator?
No. The Barcode Generator processes images fully client-side using the Canvas API. Your files never leave your browser, so you can safely work with personal photos, design mockups, or confidential assets.
Can I use the Barcode Generator offline?
Once the page has loaded, the Barcode Generator continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.