About QR Codes
Error Correction Levels:
- Low (L): 7% of data can be restored
- Medium (M): 15% of data can be restored (recommended)
- Quartile (Q): 25% of data can be restored
- High (H): 30% of data can be restored (best for damaged codes)
Note: Higher error correction levels result in larger, more complex QR codes but are more resistant to damage.