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Ketpy Book
Free tool

e-Invoice JSON Generator

Build a Schema 1.1 IRP-compliant JSON from a simple form. Copy or download โ€” ready for upload to einvoice1.gst.gov.in or your IRP integration.

๐Ÿ“ Inputs

Doc No.

Doc Date

Doc Type

ItemHSNQtyRate (โ‚น)GST %
Taxable
Total GST
Grand total
Schema 1.1 ยท IRP-ready JSON
What's e-Invoice?

A 60-second primer.

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Mandatory threshold (FY 2026)

e-Invoicing applies to B2B / B2G / Export / SEZ invoices for taxpayers with aggregate annual turnover above โ‚น5 crore (per latest CBIC notification). B2C is excluded.

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The IRP flow

Generate JSON (Schema 1.1) โ†’ upload to IRP โ†’ IRP returns IRN + signed QR โ†’ embed on PDF. The IRP also auto-pushes data to the e-Way Bill portal and GSTR-1.

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30-day reporting window

For taxpayers > โ‚น100 Cr turnover, IRN must be generated within 30 days of the document date. Below that โ€” no hard window today, but generate same-day to be safe.

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Penalties

Invoice without IRN = invalid invoice. Buyer's ITC can be denied. Penalty: 100% of tax involved or โ‚น10,000 per invoice, whichever is higher (section 122 CGST Act).

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About the Ketpy Book App

A lightweight installable app for tenant access. Works on Android, iOS, Windows, macOS and Linux.

๐Ÿ”’ Safe by design: a PWA cannot read other apps' data or run code outside your browser sandbox. There are no security violations.
โฑ Heads up: install can take up to 30 seconds. Don't panic โ€” the Ketpy Book icon will appear in your app drawer / home screen within 30 seconds of confirming.

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