Barcode Scanner

Read barcode using image or webcam

100% free. Runs entirely in your browser - your files and data never leave your device and nothing is uploaded to any server.

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This feature requires Chrome/Edge 83+ on desktop. Other browsers may not support it yet.

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Supports JPG, PNG, WebP, GIF

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About this tool

Read and decodes a barcode - either from an uploaded image or live through your webcam - useful for quickly checking what data a barcode contains without needing a dedicated physical barcode scanner device.

How to use this tool

  1. Choose scan modeUse live webcam feed or upload barcode image file.
  2. Align barcode clearlyKeep code centered, well lit, and in focus.
  3. Decode and read valueExtract barcode content and format type instantly.
  4. Use decoded dataCopy result into inventory, POS, or validation workflows.

Getting a good barcode scan

Hold the barcode flat and steady, fill most of the frame, and avoid glare from overhead lights. For a photo, make sure it is sharp and the bars run straight across the image.

UPC (12 digits) is used mainly in the US and Canada and EAN (13 digits) in the rest of the world; a UPC is an EAN with a leading zero. Searching the scanned number online usually finds the product.

Key features

  • Quick barcode decoding without dedicated hardware.
  • Supports both live and image-based scanning.
  • Useful for verification and troubleshooting tasks.
  • Helps inspect unknown barcode payloads fast.

Common uses

  • Checking printed label readability.
  • Validating generated barcode content before distribution.
  • Decoding customer-submitted barcode photos.
  • Testing scanner compatibility during setup.

Tips for better results

  • Use even lighting to avoid glare reflections.
  • Increase image resolution for tiny dense barcodes.
  • Hold camera steady during live scans.
  • Crop noisy backgrounds when uploading images.

Mistakes to avoid

  • Scanning blurred or angled codes and expecting success.
  • Assuming unsupported format when issue is image quality.
  • Ignoring quiet zone damage near barcode edges.
  • Using low-contrast prints that reduce decode reliability.

Frequently asked questions

Common formats like Code128, EAN-13, UPC, and often QR codes as well - covering the barcode types you're likely to encounter on everyday products and materials.

No - a standard built-in or USB webcam is sufficient; the tool processes the camera feed directly to detect and decode barcodes in view.

No - the camera feed is processed locally in your browser to detect the barcode; it isn't uploaded to a server or recorded.

Fill the frame with the barcode, keep it flat and sharp, and avoid glare across the bars. A slightly blurry or angled photo is the most common reason a code will not read.

UPC-A has 12 digits and is used mainly in the US and Canada; EAN-13 has 13 and is used almost everywhere else. A UPC is effectively an EAN-13 with a leading zero.

The barcode only contains a number. Searching that number online or in a product database usually finds the item, but the price and details come from the database, not the code.

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