GST Number Search
Verify a 15-digit GSTIN format and decode the state, PAN, and check digit.
About this tool
A GSTIN is a strict 15-character code with an embedded PAN and a check digit computed from the first 14 characters. This tool validates the structure and decodes each part so you can catch typos and mismatched PANs before they end up on an invoice.
Frequently asked questions
What does each part of a GSTIN mean?
Characters 1-2 are the state code, 3-12 are the PAN of the entity, 13 is the entity number for that PAN in that state, 14 is a fixed Z, and 15 is a checksum computed from the first 14.
Does this tool query the GST portal in real time?
No — it validates the structure and check digit locally. For a live status lookup (Active / Cancelled / Suspended), verify on the official GST portal search after this tool confirms the format.
Why is my GSTIN failing the check?
The most common causes are a wrong state code (positions 1-2), a mistyped PAN, or a swapped digit at the end — all of which fail the check-digit calculation. Retype from the source.