GSTIN Validator

Validate any GSTIN format instantly. Decode state code, PAN number, and entity type. Real-time checking as you type.

Enter GSTIN (15 characters)

GSTIN Format Breakdown

State

XXXXXXXXXX

PAN Number

Entity

Check

What is GSTIN?

GSTIN (Goods and Services Tax Identification Number) is a unique 15-digit alphanumeric code assigned to every registered taxpayer under GST in India. It is based on the PAN of the taxpayer and includes the state code.

Digits 1-2: State code (e.g., 27 for Maharashtra)

Digits 3-12: PAN of the entity

Digit 13: Entity code (number of registrations in a state)

Digit 14: Always "Z" (reserved for future use)

Digit 15: Check digit (alphanumeric checksum)

⚠️ Disclaimer: Calculations are for reference only. Verify with official GSTN portal or consult a CA before filing returns.

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About GSTIN Validator

Validate any GSTIN (Goods and Services Tax Identification Number) format instantly. Decode the state code, PAN number, entity type, and verify the check digit — all in real-time as you type.

How to Use

1Enter or paste a 15-digit GSTIN number in the input field.
2The tool validates the format in real-time, checking structure, state code, and check digit.
3View decoded information including state name, PAN, entity type, and validation status.

Frequently Asked Questions

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⚠️ Disclaimer: All calculations are for reference only. Verify with gst.gov.in or consult a qualified CA before filing returns.

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