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UpTools
GST Number Search & Validator
Paste multiple GSTINs (one per line) for batch format validation.
📖 How to read a GSTIN
Digits 1–2
State Code (e.g. 27 = Maharashtra)
Digits 3–12
PAN Number of the taxpayer
Digit 13
Entity number (1–9, A–Z)
Digit 14
Always "Z" by default
Digit 15
Check digit (0–9 or A–Z)
🎥 Understanding GST in India
Complete guide to GST registration, GSTIN structure, and compliance in India.