GST math you can audit
CGST / SGST / IGST / UTGST split by place of supply, checksum-verified GSTINs, and totals snapshotted onto every invoice row — re-verifiable years later.
KhataDesk builds GST-compliant invoices and keeps your books in sync across phone and PC — the thing offline billing boxes were never built for.
Runs on Next.js + Supabase · your data in your own Postgres · A4 print sheet built-in
CGST / SGST / IGST / UTGST split by place of supply, checksum-verified GSTINs, and totals snapshotted onto every invoice row — re-verifiable years later.
Bill from the counter or the couch. Nothing to install on “the shop PC”, nothing to lose when it dies.
Inter-state trips IGST; intra-state splits CGST+SGST — and union territories get UTGST, not a fake SGST line.
GSTIN is checksum-verified before it ever leaves the browser.
The engine splits CGST / SGST / UTGST / IGST by place of supply — per line.
Vector-quality A4 sheet, PDF download, and payment tracking — balance due at a glance.
Not a redesign of the offline box — a different place to keep books.
Invoicing, clients, products, print and PDF — all on the free tier. No card, no trial clock.