Free Online QR Code & Barcode Scanner
No App Download Required, Instant Use, Secure & Fast
QR Code Scanner
Supports scanning and recognition of QR codes and barcodes
Allow camera access to scan QR code
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Online QR Code/Barcode Scanner
Online QR Code/Barcode Scanner - Free, Fast, Secure, No Installation. No need to download any apps. Supports mobile phones and computers. You can scan QR codes and barcodes via your camera in real-time or by uploading images from your gallery. Works even when offline after loading. Scan anytime, anywhere.
Why Choose Our QR Code & Barcode Scanner?
📷 Flexible Scanning Methods
We offer two convenient scanning modes: scan directly using your device"s camera, or upload a local image (like a screenshot or saved photo). Read QR codes wherever they are.
🌐 Completely Online
Built with advanced Web technology, you don"t need to visit an app store to download or install anything. Just open your browser and visit our site to use all features immediately, saving your phone"s storage.
💻📱 Cross-Platform Compatibility
Whether you use an iPhone, Android phone, iPad, Windows, or Mac computer, our scanner runs perfectly. Responsive design ensures the best experience on any screen size.
🔐 Data Security Guarantee
Your privacy is our top priority. Unlike tools that process data on servers, our scanning happens entirely locally on your device (in the browser). Your images and scanned content are never uploaded to our servers, ensuring absolute security.
⚡ Millisecond-Level Recognition
Powered by the industry-leading Google ZXing recognition engine and optimized with WebAssembly technology, achieving millisecond-level fast decoding. Even blurry or poorly lit codes maintain a high recognition rate.
📊 Full Type Support (QR & Barcode)
Not only supports common QR codes like URLs, WiFi, and vCards, but also accurately recognizes various 1D barcode formats such as product barcodes (UPC, EAN, ISBN).
📑 Optimized for Mobile
The interaction experience is specifically optimized for mobile users. Large buttons for easy touch and specific adaptations for vertical screen operation give you a native app-like feel in your mobile browser.
📜 Scan History
The system automatically saves your last 50 scan records locally. Closed the page by mistake? No problem, you can retrieve what you just scanned from the history at any time.
🚀 Offline Mode (PWA)
Powered by Progressive Web App (PWA) technology. Once loaded, the app is cached locally. You can scan codes even in airplane mode or without an internet connection.
How to Use? Scan in 3 Steps
Method 1: Camera Scan (Recommended for Mobile)
- Click Button: Click the "Open Camera" button on the page.
- Allow Permission: The browser will ask for camera access, please click "Allow".
- Point & Scan: Point your camera at the QR code/barcode, hold steady, and the system will automatically recognize and display the result.
- Get Result: After successful recognition, you can copy the link or text content directly.
Method 2: Image Upload Scan (Recommended for PC)
- Select Image: Click the "Select Image" button.
- Upload & Recognize: Select the image containing the QR code/barcode from your gallery or file manager (e.g., WeChat/Web screenshots).
- Auto Decode: The system immediately analyzes the code in the image and displays the decoded result.
- One-Click Copy: Click the copy button to use the scanned information.
Supported QR Code & Barcode Types
Our scanner is designed to decode all standard QR codes and barcodes used in everyday scenarios. Whether it"s URLs, Wi-Fi passwords, or barcodes on product packaging, we recognize them accurately. Here are the main types we support:
🌐 Website Links (URLs)
Widely used for sharing webpages, landing pages, or online content. Scanning these QR codes opens the encoded URL directly in your browser.
📝 Plain Text
Stores simple alphanumeric information like notes, messages, or instructions. Often used for quickly sharing short info that doesn"t require a specific app.
📶 Wi-Fi Credentials
Stores network details like SSID (network name) and password. Allows users to automatically connect to a Wi-Fi network without typing complex passwords.
👤 Contact Information (vCards)
Stores detailed contact info like name, phone number, email address, etc. Scan to save directly as a new contact on your device.
📧 Email Addresses
Encodes an email address, sometimes with a pre-filled subject or body. Opens your default mail app with recipient and message ready.
💬 SMS
Stores phone number and optional pre-filled text. Opens your SMS app ready to send a message.
📞 Phone Numbers
Encodes a phone number. Allows users to dial directly or save to contacts.
📅 Calendar Events (iCal/vCal)
Stores event details like title, date, time, and location. Adds event directly to your calendar app.
📍 Geo Location
Encodes GPS coordinates. Opens map or navigation apps like Google Maps.
💳 Payment Links
Encodes payment links or transaction details. Used for mobile payments via PayPal, Venmo, etc.
📦 Product Info (UPC/EAN)
Encodes product identifiers like UPC or EAN codes. Used in retail or inventory management.
🈁 Kanji
Supports Kanji encoding for Japanese characters.
Actual Application Scenarios
QR code readers have become increasingly valuable tools across industries, offering solutions for efficiency, engagement, and security.
🛍️ Retail and E-commerce
Online QR code scanners allow customers to quickly scan product packaging or promotional materials to access product info, reviews, pricing, and offers.
🍽️ Contactless Menus and Ordering
Customers can scan QR codes to view digital menus, pay, and order, making the dining experience more convenient and hygienic.
🎫 Ticketing and Access Control
QR codes on tickets can be quickly scanned to allow entry to events, transport, and attractions.
📢 Digital Marketing Campaigns
Customers can access exclusive content, enter contests, or redeem coupons by scanning QR codes.
🆔 Personal Identification
QR codes can be used for IDs and badges for secure and convenient identity verification.
🎓 Education and Museums
Students and visitors can access multimedia content and detailed explanations by scanning QR codes near exhibits or in textbooks.
Advantages Comparison
| Feature | ✅ Our Online Scanner | ❌ Traditional Mobile App |
|---|---|---|
| Installation | No Installation, Instant Use | Download required from store |
| Storage | Zero space used | Takes up MBs of storage |
| Cross-Platform | All Devices (PC/Mobile) | Specific version download required |
| Privacy | Local Processing, No Upload | May collect and upload user data |
| Updates | Auto Update to latest | Manual update required |
| Cost | Completely Free | May contain ads or IAP |
| Image Scan | Perfect Support for screenshots | Some apps don"t support import |
Frequently Asked Questions
Q1: How do I scan a QR code on iPhone?
A: You can use the built-in Camera app. If you need to scan a screenshot or image from your gallery, or if the camera fails, visit our website and use the "Upload Image" feature to easily recognize QR codes from your photos.
Q2: How do I scan a QR code on Android?
A: Most Android cameras or Google Lens support scanning. If you don"t want to install extra apps or need to scan an image file, our online scanner is the best choice, supporting both camera and file upload modes.
Q3: Can I scan a QR code from a screenshot?
A: Absolutely! This is a key feature. Just save the screenshot to your gallery, use our "Upload Image" function, and the system will extract and recognize the QR code automatically.
Q4: How do I scan a QR code on a PC/Laptop?
A: Our tool works perfectly on computers. If you have a webcam, use "Camera Scan" mode; if not, save the QR image to your computer and use "Upload Image" mode.
Q5: Is scanning secure? Is data saved?
A: Absolutely secure. We use frontend local recognition technology. Your QR code images and scan results are processed only in your browser"s memory, **never uploaded to our servers**, and never saved or shared with third parties.
Q6: Does it support barcode scanning?
A: Yes, our recognition engine supports not only standard QR codes but also common barcode formats (like EAN, UPC, ISBN), making it easy to scan product barcodes.
Q7: Is it completely free?
A: Yes, this tool is 100% free with no usage limits and no hidden fees.
Q8: What if the QR code won"t scan?
A: Please try: 1. Ensure the image is clear and not too blurry; 2. Ensure good lighting and avoid screen glare; 3. Adjust distance so the code fits in the frame; 4. Refresh the page and try again.
Q9: What image formats are supported?
A: We support almost all common web image formats, including JPG, PNG, GIF, BMP, TIFF, WEBP, etc.
Q10: Can I scan a QR code on the same screen?
A: Yes. Simply take a screenshot of your current screen, then upload that screenshot to our scanner to recognize the code displayed on the same device.
Q11: Can I use it offline?
A: Yes! Thanks to PWA technology, if you have visited our site before, you can open and use the scanner even without an internet connection (e.g., in airplane mode).
Technology Explanation
- ● Recognition Engine: Based on the authoritative Google ZXing open-source library.
- ● Tech Stack: HTML5 + JavaScript + WebAssembly for high performance.
- ● Responsive Design: Automatically adapts to all screen sizes.
- ● Secure Encryption: HTTPS protocol, local processing, zero risk.
- ● Real-time Processing: Real-time video frame analysis without taking photos.