ICAO's Visible Digital Seal
Proof of Vaccination
Vaccine Info
Proof of Testing
Service Center
CRED Credentials
EU HC1 Credentials
PathCheck CRED-style URI
Immunization QR
PDF 417 Format
Original ICAO Model
Immunization QR
PDF 417 Format
Using HC1 EU Model
Immunization QR
PDF 417 Format
Comparison Tables
URI Size (in A/N bytes and in chars) and Time (in milliseconds)
Immunization QR
| Tech |
URI Bytes |
URI Chars |
Sign Time |
Verify Time |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
Test QR
| Tech |
URI Bytes |
URI Chars |
Sign Time |
Verify Time |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
QR Size in Bytes (bits * bits / 8)
Immunization QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
Test QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
QR Size (bits x bits)
Immunization QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
Test QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
Minimum Printed Size (in millimiters at 150 DPI)
Immunization QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
Test QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
Minimum Printed Size (in millimiters at 300 DPI)
Immunization QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
Test QR
| Tech |
ECC 7% |
ECC 15% |
ECC 25% |
ECC 30% |
| CRED |
|
|
|
|
| ICAO |
|
|
|
|
| HC1 |
|
|
|
|
