Online QR Code Scanner
Online QR code scanner tool, supporting image upload and camera scanning, quickly recognizing QR Code, Data Matrix and other formats
Drag and drop QR code images here
Or click the button below to select files
Supports JPEG, PNG, GIF formats, multiple files allowed
About QR Code Scanner
What is QR Code Scanner?
QR Code Scanner is a professional online tool designed for fast and accurate identification of various QR codes. It supports both image upload and camera scanning, allowing users to easily retrieve information from QR codes. The tool also supports batch processing, allowing multiple images to be uploaded at once.
Introduction to QR Codes
A QR code is a matrix barcode that can store more information than traditional barcodes. It encodes data through different arrangements of black and white squares and can store text, URLs, contact information, and other types of data. Widely used in mobile payments, product tracking, marketing, identity verification, etc.
Supported QR Code Formats
FAQ
How to use QR Code Scanner?
Image Scan: Click the upload button to select image files, or drag images directly to the upload area. Supports uploading multiple files for batch scanning. Camera Scan: Switch to the Camera tab, click Start Camera, and align the camera with the QR code to automatically identify it.
What image formats are supported?
Supports common image formats like JPEG, PNG, GIF. It is recommended to use high-clarity images to ensure the QR code is complete and unobstructed.
How about data security?
All scanning operations are performed locally in the browser using the open-source ZXing component. Your images and data are not uploaded to any server, fully protecting privacy and security.
How to improve scanning success rate?
Ensure the QR code image is clear, well-lit, and without glare. The QR code should be displayed completely, avoiding tilting or deformation. For camera scanning, keep the device stable and maintain an appropriate distance from the QR code.
What information can QR codes store?
QR codes can store text, URLs, phone numbers, email addresses, WiFi passwords, contact information, geographic location, and other types of data. Different formats of QR codes have different storage capacities; QR codes can store up to approximately 4000 characters.