QR Code Decoder
Decode QR code images, screenshots, and camera feeds to instantly reveal hidden URLs, WiFi passwords, and text data.
Upload QR Code Image to Decode
Supports PNG, JPG, WebP formats
Free Online QR Code Decoder & Scanner
Decode QR code images, screenshots, and camera feeds to instantly reveal hidden URLs, WiFi passwords, and text data.
Quick Answer & Overview
The QR Code Decoder extracts the underlying text, website URLs, WiFi login passwords, or contact info encoded within any 2D barcode image or webcam snapshot. It reads QR codes directly in your browser without requiring a smartphone scanner app.
Upload QR Image or Use Camera
Drag and drop any QR code image (PNG, JPG, WebP) or activate your webcam scanner.
Computer Vision Analysis
Our client-side decoding engine locates position detection patterns and aligns matrix grids.
Reed-Solomon Error Correction
Decodes bitstreams and applies error correction to reconstruct data even from damaged codes.
Copy Decoded Payload
Review the decoded URL, WiFi credentials, or contact info and copy with a single click.
Scan & Inspect QR Codes Directly on Your Desktop
Encountering a QR code on a desktop computer screen, inside an emailed PDF invoice, or on a social media image previously required picking up a smartphone to scan your own monitor. Our QR Code Decoder reads image files and webcam feeds directly inside your desktop browser in milliseconds.
Image Upload & Webcam
Scan screenshots from your desktop clipboard or hold codes up to your computer's built-in webcam.
Reveal WiFi Passwords
Extracts plain text network passwords from guest WiFi QR stickers and cafe tent cards.
Malicious Link Inspection
Safely inspect QR destination links before navigating to prevent QR phishing (quishing) attacks.
Recognized QR Code Formats
| Standard Prefix | Decoded Content Type | Instant Browser Action |
|---|---|---|
| https:// | Secure Web Address | One-click clickable hyperlink. |
| WIFI: | WiFi Network Configuration | Displays SSID, Security Type, and Plaintext Password. |
| BEGIN:VCARD | Electronic Business Card | Parses Name, Phone, Email, Company, and Job Title. |
Frequently Asked Questions
Can I scan a QR code using a photo saved on my computer?
Yes. Simply upload or drag-and-drop any screenshot, camera photo, or graphic file containing a QR code directly into the decoder window.
Does this tool work on blurry or partially damaged QR codes?
Yes. Our decoder incorporates Reed-Solomon algebraic error correction algorithms that can reconstruct data from QR codes with up to 30% visual damage or distortion.
Can this tool decode WiFi QR codes and show the plain password?
Yes. Scanning a WiFi QR code extracts the raw `WIFI:S:SSID;T:WPA;P:password;;` string, allowing you to see and copy the hidden WiFi password in plaintext.
Is my scanned QR data uploaded to external servers?
No. The decoding algorithm runs 100% in your local browser JavaScript environment. Your uploaded images and decoded data are completely private.
Can this tool read barcodes (UPC, EAN, Code 128)?
Yes. In addition to 2D QR codes, our engine can decode popular 1D linear barcodes including UPC-A, EAN-13, and Code 128.
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