QR Code Decoder
Instantly decode QR codes from image files or directly through your live device webcam. Everything is processed locally in your browser—no uploads required.
Supports PNG, JPG, JPEG, WEBP, and GIF
Decoded Results
Upload a QR image file or fire up your webcam to parse the content. The decrypted text details will show up right here.
How Does This QR Code Decoder Work?
QR codes (Quick Response codes) are essentially visual representations of data. Instead of sending your images over the internet to a remote server to extract this data, this tool does it right inside your browser. Here is the magic: we pull in a lightweight library called jsQR. When you upload an image or scan a QR using your live webcam feed, we draw that image onto an invisible HTML5 canvas, read the raw color values (the pixel array) from the canvas, and hand it to the decoder. Within milliseconds, it translates those black-and-white patterns back into the original plain text, URL, or contact details.
Is My Data Private?
Absolutely. Unlike many online tools that upload your scanned images to their company servers for processing, this decoder is 100% client-side. The image files you drop, and the video stream from your webcam, never go anywhere. In fact, you could load this web page, completely disconnect your internet, and the tool will still decode QR codes perfectly fine. Your camera permissions are solely used by your browser to render the local feed, and we never record or transmit any metadata.
Tips for Troubleshooting Scans
If you are having trouble getting a QR code to read, here are a few simple developer tips to try. First, ensure the camera lens is clean and the QR code is reasonably flat and well-lit. Shadows or glare from overhead lights are the most common reasons a scanner fails. Second, if you are uploading an image file, avoid images where the QR code is extremely small or blurry. The scanner needs a clear contrast between the dark squares and the light background. If your image is huge, the browser can handle it easily—just make sure the QR code isn't warped or severely angled.
What Types of QR Codes Can Be Parsed?
This decoder supports all standard QR codes, regardless of what information they contain. It can read standard web URLs, plain text messages, email addresses, phone numbers, SMS, Wi-Fi credentials (which look like WIFI:S:MyNetwork;T:WPA;P:MyPassword;;), contact details (vCards), and even Bitcoin or other crypto wallet addresses. If the result is a website link, our interface automatically detects the protocol and gives you a quick click-through option so you don't have to copy-paste it yourself.