100% Free GST Verification Utility
GSTIN Validator & State Code Search
Validate any 15-digit Indian GST Identification Number (GSTIN) for format accuracy, state code decoding, PAN extraction, and entity type verification.
Enter 15-Digit GSTIN
Enter 15 alphanumeric characters (2 State + 10 PAN + 1 Entity + Z + 1 Checksum)
Try Sample GSTINs:
Structure: First 2 digits = State Code • Next 10 chars = PAN number • 13th digit = Entity Number • 14th digit = Default 'Z' • 15th digit = Checksum code.
Validation Results
Valid GSTIN Format
The GST number satisfies the official Indian GST structure.
Registered State / UT:
West Bengal (Code 19)
Extracted PAN:
ABCDE1234F
PAN Entity Type:
Company / Business Entity
Entity Registration #:
1 (First registration for this PAN in state)