Verify GST number format and extract business information instantly. Check state code, PAN, entity type, and more.
15-character format: 2 digits (State) + 10 chars (PAN) + 1 digit + Z + 1 char
Digits 1-2: State Code
Digits 3-12: PAN Number
Digit 13: Entity Number
Digit 14: Z (default)
Digit 15: Checksum
Enter GST number to verify
Format verified successfully
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Format verification failed
Invalid GST number format
Example:
22AAAAA0000A1Z5
