GSTIN Format Validator

Check if GSTIN format is valid. 15 characters: 2 state + 10 PAN + 2 entity + 1 check.

How to use

  1. Enter 15-digit GSTIN.
  2. Get validity and state/PAN decode.

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FAQs

What is GSTIN?
GST Identification Number—15 digits. Format: 2-digit state + 10-digit PAN + 1 entity + 1 Z + 1 check digit.
How to verify GSTIN?
Check format (15 digits), validate check digit. Use GST portal for official verification.

GST billing

Stockkeeper helps create GST invoices with valid GSTIN.

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