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QR Code Scanner

Decode any QR code by uploading an image or scanning live with your camera.

QR code scanner tool

Use your camera to scan a QR code, or upload an image containing a QR code. Always review decoded links before opening them.

Camera scanning

Permission: not requested

Camera preview appears here after permission is granted.

Scan from image upload

Upload a PNG, JPG, JPEG, or WebP image. Screenshots work best when the QR code is sharp and fully visible.

Scan status

Ready to scan a QR code.

Scan result and decoded content

Decoded content is shown clearly. External links require a manual click and are never opened automatically.

Detected type: Unknown

Source: none

Decoded content

No QR code decoded yet.

Camera or upload

Scan physical QR codes with a camera or decode saved screenshots and images.

Manual link opening

Decoded URLs are shown first and only open after you click.

Local processing

Camera frames and uploaded images are decoded in the browser where possible.

Dynamic QR Scan Insights

Use your camera to scan a QR code, or upload an image containing a QR code.
Camera scanning works best with good lighting and a steady hand.
Uploaded images should show the full QR code with clear contrast.
Always review decoded links before opening them.
The camera stream is stopped when scanning is finished or reset.

How QR Code Scanning Works

QR scanners read the square pattern and decode it into text.
Browser camera scanning uses a camera stream after user permission.
Uploaded image scanning reads pixels from an image file.
Decoded content may be a URL, text, Wi-Fi login, contact card, or other data.
Users should review decoded results before taking action.

Camera Scanning, Image Upload, and QR Content Types Explained

Camera scanning is useful for physical QR codes.
Image upload scanning is useful for screenshots and saved files.
URL QR codes open websites.
Text QR codes show plain text.
Wi-Fi QR codes may contain SSID and password.
vCard QR codes may contain contact details.
QR codes do not guarantee that the destination is safe.

Link Safety, Permissions, and Privacy Notes

Camera access starts only after you click scan.
The camera can be stopped at any time.
QR codes can point to phishing or unsafe websites.
Review links before opening them.
Decoded URLs are not auto-opened.
Uploaded QR images may contain sensitive information.
QR scanning does not verify whether a link is safe or trustworthy.

Common QR Scanning Examples

Scan a URL QR code from a flyer.
Decode a QR code from a screenshot.
Scan a Wi-Fi QR code.
Decode a contact card QR code.
Scan a QR code from a product label.
Decode plain text QR content.
Scan a QR code for an event or menu.
Copy decoded content for troubleshooting.

Business, Personal, Classroom, and Developer Use Cases

Checking QR links before opening.
Decoding saved QR screenshots.
Scanning Wi-Fi QR codes.
Reading contact QR codes.
Testing generated QR codes.
Classroom QR activities.
Event check-in testing.
Menu QR code checks.
Product label verification.
Developer QA workflows.

Privacy and Local Processing Notes

Camera scanning happens in the browser after permission.
Uploaded images are decoded locally where possible.
No account is required.
No backend storage is added.
Decoded content is not sent to a server by this page.
Camera streams are stopped when scanning ends.
Copied decoded content stays under your control.

Method Explanation

1. Start the camera scanner or upload an image.
2. If using the camera, request permission after user action.
3. Read video frames or image pixels.
4. Decode QR patterns using local QR decoding logic.
5. Detect the decoded content type where practical.
6. Show the decoded result and parsed details.
7. Let the user copy the result, scan again, or open a URL manually.
8. Stop camera streams and clean up previews when finished.

Frequently Asked Questions

A QR code scanner reads the square QR pattern and decodes it into text, a link, Wi-Fi details, contact information, or another supported content type.

Related tools

More tools to try

QR Code Maker
URL Encoder / Decoder
URL Cleaner
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