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QR Code Decoder

Decode QR codes from uploaded images locally in your browser. No image data is sent to any server.

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QR Code Decoder
Decode QR codes from images locally. No image data leaves your browser.
Drag & dropZero uploads
Upload QR Code ImageDrop or click to select

Drop a QR code image here or browse files

Decoded ContentRead only
ReadyBrowser only
Drop or select a QR code image to decode it locally.

How ZeroData protects your privacy

  • ✓ No Uploads: Processing happens entirely via client-side JavaScript.
  • ✓ No Storage: We do not have a database. We physically cannot save your data.
  • ✓ No Tracking: We don't log what you process or track your inputs.
  • ✓ Verifiable: Check your DevTools Network tab. You will see 0 outbound requests.

How to Use the QR Code Decoder

  1. Drop a QR code image onto the drop zone or click to browse files.
  2. The image is processed locally in your browser.
  3. View the decoded content in the output editor.
  4. Copy the decoded text for use in your workflow.
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Frequently Asked Questions

Is my image uploaded to a server?

No. The image is decoded entirely in your browser using the jsQR library and Canvas API. No image data leaves your device.

What image formats are supported?

The decoder supports JPEG, PNG, GIF, WebP, and most common image formats that can be rendered in a browser.

Can it decode multiple QR codes from one image?

Currently, the tool detects and decodes the first QR code found in the image. For best results, crop the image to contain a single QR code.

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