GSTR-1 Generator for Amazon Sellers — MTR to JSON & Excel
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Overview
Convert your Amazon India MTR report into a GST-portal-ready GSTR-1 JSON and Excel — 100% in your browser. No data uploaded.
Stop hand-keying your Amazon GST data into the portal. GSTR-1 Generator for Amazon Sellers converts your Amazon India MTR (Merchant Tax Report) — both the B2B and B2C exports — into a GST-portal-ready GSTR-1 JSON file and a clean, human-readable Excel workbook. Everything runs locally in your browser: your sales data is never uploaded, stored on a server, or shared. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT IT DOES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Reads your Amazon MTR-B2B and MTR-B2C CSV files • Builds a GSTR-1 JSON (schema GST3.2.4) ready for the GST Returns Offline Tool • Builds an Excel workbook with a totals summary + per-section sheets • Auto-classifies every line into the right GSTR-1 table: – B2B (Table 4) – B2CL (Table 5) – B2CS (Table 7) – HSN summary (Table 12) – E-commerce / TCS (Table 14) • Splits CGST/SGST vs IGST automatically from seller state and place of supply • On-screen section totals so you can review before you file • Flags rows it can’t process instead of silently dropping them ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRIVATE BY DESIGN ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • 100% local processing — your tax data never leaves your browser • No account, no sign-up, no analytics, no tracking • Files are read in-memory and converted on your device ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW TO USE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Download your MTR-B2B and/or MTR-B2C report from Amazon Seller Central 2. Open the extension, enter your Seller GSTIN and return period (MMYYYY) 3. Drop in your CSV file(s) and click Generate 4. Review the on-screen totals 5. Download the GSTR-1 JSON and/or Excel ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHO IT’S FOR ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Amazon India sellers and their accountants who want to prepare GSTR-1 from Amazon’s MTR report quickly and accurately — without copying numbers by hand. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRO (optional upgrade) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Pro adds Multi-GSTIN Profiles — save unlimited businesses (GSTIN, state, ECO GSTIN) and switch between them in one click. Ideal for accountants and multi-entity sellers. The free version saves one profile. Pro is a one-time/annual license sold via Gumroad; only your license key is sent to Gumroad to verify it — never your tax data. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ IMPORTANT ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ This tool helps you PREPARE your GSTR-1. Always review every figure before filing. It is not tax advice and it does not file returns for you. Verify the output against your own records and the GST portal before submission. Not affiliated with or endorsed by Amazon or GSTN. Support / feedback: raufcpp@gmail.com
Details
- Version0.1.0
- UpdatedJune 10, 2026
- Offered byraufcpp
- Size1.04MiB
- LanguagesEnglish
- Developer
Email
raufcpp@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
