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Barcode Scanner

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Scan and decode common barcode formats including UPC, EAN, Code 128, and Code 39.

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Barcode Scanner

Scan and decode common barcode formats from images

Supports JPG, PNG, WebP. For best results, use a clear image with good contrast.

Supported Formats

  • EAN-13: 13-digit product barcodes
  • EAN-8: 8-digit product barcodes
  • UPC-A: 12-digit US product barcodes
  • Code 128: High-density alphanumeric
  • Code 39: Alphanumeric for industrial use
  • Codabar: Libraries, blood banks

Quick answers for Barcode Scanner

What does the Barcode Scanner do?
Scan and decode common barcode formats including UPC, EAN, Code 128, and Code 39. The Barcode Scanner is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Barcode Scanner?
Open the Barcode Scanner 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 Scanner free to use?
Yes. The Barcode Scanner 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 Scanner safe and private?
Yes. The Barcode Scanner 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 Scanner?
No. The Barcode Scanner 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 Scanner offline?
Once the page has loaded, the Barcode Scanner continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.