QuadRat: QR Scanner & Creator
Everyone
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Everyone
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About this app
QuadRat scans QR codes and barcodes in a moment and creates your own QR codes – fully offline. The app has no internet permission: what you scan and create never leaves your phone.
📷 Fast scanning
• QR codes, Data Matrix, Aztec, PDF417 and barcodes (EAN, UPC, Code 128, Code 39)
• Torch, zoom by pinch or slider, tap to focus
• Scan from an image in your gallery
• Several codes at once? Pick the one you want from a list
🔎 Clear results with one tap to act
• Links: open, copy or share – with an offline safety check that warns about unencrypted links, shortened links, look-alike addresses and other tricks before you open them
• Wi-Fi: see the network and password, connect with one tap or copy the password
• Contacts (vCard, MeCard): add to your contacts with all details prefilled
• Email, phone numbers, SMS, locations and calendar events
• Product barcodes: search the web for the product
• Nothing is opened, called or sent on its own – you always decide
✏️ Create your own QR codes
• Website, Wi-Fi, contact, email, phone number or text
• Live preview while you type
• Colors: five presets or any custom color, separately for the code and its three corners
• Shapes: square, rounded or dots
• Optional logo in the center
• Contrast and scan check: QuadRat reads every code back before you save it, so you know it works
• Save as PNG or share it directly
🕘 History
• Everything you scanned or created, grouped by day
• Favorites and search
• Open a created code again to change it
• Turn the history off or clear it at any time
🔒 Private by design
• No internet permission – the app cannot send anything anywhere
• No ads, no analytics, no tracking, no account
• History stays on your phone and is excluded from cloud backups
• Codes with two-factor secrets (otpauth) are never stored
🌙 Light and dark theme, large touch targets, works on Android 9 and newer.
📷 Fast scanning
• QR codes, Data Matrix, Aztec, PDF417 and barcodes (EAN, UPC, Code 128, Code 39)
• Torch, zoom by pinch or slider, tap to focus
• Scan from an image in your gallery
• Several codes at once? Pick the one you want from a list
🔎 Clear results with one tap to act
• Links: open, copy or share – with an offline safety check that warns about unencrypted links, shortened links, look-alike addresses and other tricks before you open them
• Wi-Fi: see the network and password, connect with one tap or copy the password
• Contacts (vCard, MeCard): add to your contacts with all details prefilled
• Email, phone numbers, SMS, locations and calendar events
• Product barcodes: search the web for the product
• Nothing is opened, called or sent on its own – you always decide
✏️ Create your own QR codes
• Website, Wi-Fi, contact, email, phone number or text
• Live preview while you type
• Colors: five presets or any custom color, separately for the code and its three corners
• Shapes: square, rounded or dots
• Optional logo in the center
• Contrast and scan check: QuadRat reads every code back before you save it, so you know it works
• Save as PNG or share it directly
🕘 History
• Everything you scanned or created, grouped by day
• Favorites and search
• Open a created code again to change it
• Turn the history off or clear it at any time
🔒 Private by design
• No internet permission – the app cannot send anything anywhere
• No ads, no analytics, no tracking, no account
• History stays on your phone and is excluded from cloud backups
• Codes with two-factor secrets (otpauth) are never stored
🌙 Light and dark theme, large touch targets, works on Android 9 and newer.
Scan and create QR codes and barcodes. Works offline – no ads, no tracking.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- No data collectedLearn more about how developers declare collection
What’s new
First release: scan QR codes and barcodes, create styled QR codes with colors, shapes and logo, history with favorites, light and dark theme. Fully offline – no internet permission.
