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Free utility

GSTR-1 basic check

Find malformed JSON, missing fields, duplicate invoices and unsupported sections.

GSTR-1 JSON (regular B2B / B2CS)Result

BEFORE YOU START

Use the sample format

Download sample CSV ↓

Up to 5 MB per file; premium row limits depend on your access.
XLSX imports use the first worksheet. Formula cells are rejected: paste values into a copy first.
CSV/XLSX headings must match the sample, or your seller column mapping.
Uploaded files are processed temporarily and not saved as customer documents. Downloaded results are your working copy.

Only basic supported-section checks are performed. This does not reproduce the current GSTN schema validator or confirm portal acceptance.

Taxation Portal GST Suite · Original software by Taxation PortalPrivacy Terms Support