Match your GSTR-2B JSON against the purchase register in the browser. Matched, mismatched and missing, with the ITC bridge. No upload, no subscription.
The ₹5,000-a-year reconciliation, done in a browser tab — and your client's purchase book never leaves the machine.
v4.1 — printed report keeps the claimable-this-period line; 57th Council band corrected (8 Oct, recommendations not yet law); consultation link; dated rules note; the headline sentence now counts suppliers correctly and leaves duplicate rows out of the 'in your 2B' figure.