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Free GST Tools

Quick calculators and validators — no login required

GST Late Fee Calculator

Calculate exact late fees for GSTR-1, GSTR-3B, GSTR-9, and 8 other return types. Enter due date and filing date — get CGST + SGST breakdown instantly.

GSTR-1GSTR-3BGSTR-9CMP-08GSTR-7
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GSTIN Validator & Decoder

Validate any GSTIN and decode it: state name, PAN number, entity type (Company / Individual / Firm / HUF), and registration sequence.

ValidateDecode StateEntity TypePAN Extract
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HSN Code Lookup

Search HSN codes by product name or code number. View GST rate, unit of measurement (UQC), and full description for any commodity.

HSN SearchGST RateUQCSAC Codes

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