Everything is free, and the first four never touch the network

Tools

Eight tools that do one thing each, properly. The validator, calculator, decoder and PAN tools run entirely in your browser — no request leaves the page.

GSTIN validator & decoderCheck the check digit and pull apart every character — state, PAN, holder type, registration number.GST calculatorAdd or strip GST at any slab, split into CGST/SGST or IGST, with cess.HSN & SAC decoderWhat a code means, its chapter, and how many digits you must print on an invoice.IFSC lookupBank, branch, address, MICR, SWIFT and which rails that branch supports.PIN code lookupEvery post office on a PIN with district, division and delivery status.GST due-date calendarWhat is due next, for monthly and QRMP filers, calculated from today.Bulk GSTIN checkerPaste a vendor list, get status and filing health for all of them, export CSV.PAN decoderWhat the fourth and fifth characters of a PAN tell you about the holder.

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