Free tools for CAs and tax professionals
Everyday GST, TDS and audit utilities — free, no login, and private: everything runs in your browser, so your clients’ data never leaves your machine.
GST
GST Late Fee & Interest Calculator Late fee and interest on delayed GSTR-3B, GSTR-1, GSTR-9 and GSTR-4 returns. Open tool → Bulk GSTIN Validator Check GSTIN format and checksum in bulk; decode state and PAN. Open tool → GST Portal JSON to Excel Turn GSTR-1, GSTR-2A and GSTR-2B JSON downloads into Excel; merge months. Open tool → GSTR-2B vs Purchase Register Reconciliation Match 2B against your books in the browser: matched, mismatched, missing, ITC at risk. Open tool →
TDS & Income Tax
Audit
Utilities
Doing this for many clients?
AuditorTax runs statutory payroll and GST reconciliation for every client company you manage, from one login — with immutable payrolls and a full audit trail.