GSTR-1 Calculator by Thoiba Trader is designed specifically for Indian e-commerce sellers on Amazon, Flipkart, and Meesho to simplify monthly GST filing. ​Simply upload your downloaded marketplace sales and return reports, and get clean, formatted, filing-ready GSTR-1 tables in a single Excel file. ​Key Features: ​Automated GST Summaries: Generates State-wise Sales Summary (Table 7), HSN-wise Summary (Table 12), and Document Series (Doc 13) including credit/debit notes. ​Supports Major Marketplaces: Works directly with Amazon (MTR B2C & B2B), Flipkart, and Meesho sales and return reports. ​Custom Template Support: Process multi-channel sales reports effortlessly using our built-in custom template. ​Flexible Pay-Per-Report Pricing: No monthly subscriptions, hidden fees, or recurring charges. Pay only for what you process, with reports starting at just ₹49. ​Instant GST Invoices: Get instant, automated GST tax invoices for every report calculation. ​Data Privacy & Security: Your financial and transaction data is handled securely and processed exclusively for report generation. ​Streamline your e-commerce GST reconciliation and save hours on spreadsheet formatting today!