How to Scan a QR Code on Android
Almost every Android phone made in the last five years can scan a QR code without an extra app. Depending on your phone brand and Android version, you might use the built-in Camera app, Google Lens, the Google Search bar widget, or a vendor-specific tool like Samsung’s Bixby Vision. If none of those work, ScanApp.org runs directly in Chrome with no install.
This guide covers all five methods so you can pick whichever works on your device.
Method 1: Use the Built-In Camera App (Android 9+)
Most Android 9 (Pie) and newer phones — including Pixel, Samsung Galaxy, Xiaomi, OnePlus, Oppo, and Motorola devices — can detect a QR code straight from the stock Camera app.
- Open the Camera app on your home screen or app drawer.
- Point the rear camera at the QR code. Hold steady — the entire code should be inside the frame.
- Wait for the tooltip that appears over the code. It usually shows the destination URL or contact name.
- Tap the tooltip to open the link, save the contact, join the WiFi network, or perform whatever action the QR code encodes.
If nothing appears after a few seconds, your Camera app may have QR scanning disabled. Open Camera → Settings and toggle “Scan QR codes” on.
Method 2: Use Google Lens
Google Lens is pre-installed on most Android devices, either as a standalone app or as a button inside Google Photos, the Google app, and the Camera app.
- Open Google Lens — either from the app drawer, the Google app, or by long-pressing the home button (on phones with Google Assistant).
- Tap the Search button or point the camera at the QR code.
- Lens decodes the code instantly and shows a card with the destination URL or action.
- Tap the card to open the result.
Google Lens can also scan QR codes from a screenshot — open any image in Google Photos, tap the Lens icon at the bottom, and let it analyze the picture.
Method 3: Use the Google Search Bar Widget
If you have the Google Search widget on your home screen (the one with the colorful “G”), you have a live QR scanner one tap away.
- Tap the Lens icon inside the Google Search bar — usually on the right side, shaped like a small camera.
- Grant camera permission when prompted.
- Point at the QR code — the result card appears immediately.
This is the fastest path on Pixel and most stock-Android phones because the camera is already warmed up.
Method 4: Samsung-Specific Options (Bixby Vision & Scan Button)
Samsung Galaxy phones have multiple built-in scanners:
- Bixby Vision (older Galaxy S / Note phones): Open the Camera, tap Bixby Vision, and aim at the QR code.
- QR Scanner shortcut in Quick Settings: Swipe down from the top of the screen with two fingers, find the QR Scanner tile (you may need to add it from the edit pencil), tap it, and scan.
- Samsung Internet browser: Open Samsung Internet, tap the menu, and choose “QR code scanner”.
All three options decode and offer to open the link, copy text, or save contacts.
Method 5: Use ScanApp.org in Chrome (No App Required)
If the methods above don’t work — for example, on an older Android device, a tablet running a stripped-down launcher, or a phone with the stock Camera app disabled — you can use ScanApp.org directly in your browser.
- Open Chrome (or Firefox, Edge, or Samsung Internet).
- Visit scanapp.org.
- Tap “Request Camera Permission” and tap Allow when prompted.
- Point the camera at the QR code. ScanApp decodes the result in your browser — nothing is uploaded to any server.
- Tap the decoded link or copy the result.
You can also tap the Upload Image icon to decode a QR code from a screenshot or photo in your gallery — useful when the code is already on your screen.
Frequently Asked Questions
Does Android have a built-in QR code scanner?
Yes. On Android 9 (Pie) and later, the stock Camera app detects QR codes automatically. Google Lens and the Google Search bar widget are also pre-installed on most devices.
How do I scan a QR code on my Android without an app?
Open the Camera app and point it at the QR code, or use Google Lens. If neither works, visit scanapp.org in Chrome — no install needed.
Why won’t my Android phone scan a QR code?
The most common reasons are: QR detection is disabled in Camera settings, the lens is dirty or out of focus, the lighting is too low, or your Android version is older than 9. Try Google Lens or scanapp.org as a fallback.
How do I scan a QR code from a screenshot on Android?
Open the screenshot in Google Photos, tap the Lens icon at the bottom of the screen, and Lens will decode the QR code. Alternatively, upload the image at scanapp.org.
Can I scan a QR code with a Samsung Galaxy phone?
Yes — Samsung phones support three methods: the stock Camera, Bixby Vision, and the QR Scanner tile in Quick Settings (swipe down from the top with two fingers).