Entrifix
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GSTR-1 filing, without the spreadsheet gymnastics

Drop your marketplace sales reports and get a validated GSTR-1 summary and portal JSON in seconds. Files are processed in your browser.

What it does

  • Reads Amazon MTR, Flipkart sales report, Meesho TCS sales and returns, or your own sales register (CSV / Excel)
  • B2CS by state and rate, B2B invoices, HSN summary split B2B / B2C
  • Checks GSTIN checksum, place of supply and tax-vs-rate mismatches
  • GST portal JSON export, ready for GSTR-1 offline upload