GSTIN Verification & Decoder
Validate any GSTIN against the official 15-character format and modulo-36 checksum, then decode the state, PAN, entity number and check character. Useful before issuing invoices or onboarding vendors.
What this covers
- Format + checksum validation (catches typos instantly)
- State code → state name mapping
- Embedded PAN extraction
- Entity number, default Z and check character
- Bulk paste support
About Ledgester
Ledgester is the Indian GST law, made queryable. The CGST Act, its rules, notifications and rulings — encoded into a fast, plain-English interface that professionals consult dozens of times a day. A reference tool from Profinss.