- What QR codes can this decode?
- Decodes all standard QR formats: text, URLs, vCard contacts, WiFi credentials, emails, phone numbers, SMS, calendar events, cryptocurrency addresses. Supports versions 1-40, all error correction levels (L/M/Q/H), colored QR codes, and logos.
- Can I use my camera?
- Yes! Upload image files (PNG/JPEG/WebP/GIF) or use device camera for real-time scanning. Camera requires browser permission. Auto-detects QR codes from video stream.
- Why won't my QR code decode?
- Common issues: Low quality/resolution, damaged/obscured code, poor lighting/blur, unsupported format, corrupted file. Solutions: Higher resolution, better lighting, clean lens, different angles, or regenerate code.
- Is this tool safe?
- Yes - all decoding is local in browser, no server uploads. However, be cautious: QR codes may contain malicious URLs, malware links, or fraud. Always verify decoded content before clicking links or making payments.
- What info can I extract?
- Varies by type: text/messages, URLs, contacts (vCard name/phone/email), WiFi (SSID/password/encryption), emails, phone numbers, SMS, calendar events, crypto addresses, coordinates, app links, social profiles. All displayed in readable format.