Free GST & Business Tools

GST Calculator

Calculate CGST, SGST, IGST instantly. Supports inclusive/exclusive calculations and all GST rate slabs.

GSTIN Validator

Verify any GST Identification Number. Validates format, state code, PAN structure, and checksum.

HSN Code Finder

Search 21,000+ HSN codes by product name or code. See applicable GST rates instantly.

E-Invoice Eligibility

Check if your business needs to generate e-invoices based on turnover and business type.

Create GST-compliant tax invoices, bills of supply, and credit/debit notes. Download as PDF.

Calculate interest on late GST payments. Interest at 18% per annum with day-wise calculation.

Reverse GST Calculator

Extract base amount and GST from tax-inclusive prices. Supports CGST/SGST and IGST breakdown.

Calculate interest on late TDS deduction (1%) and late payment (1.5%) per month.

Calculate advance tax liability with quarterly instalment schedule. Supports old and new tax regimes.

Profit Margin Calculator

Calculate profit margin, markup percentage, gross profit, and net profit from cost and selling price.

Calculate late fees and interest for delayed GSTR-1, GSTR-3B, GSTR-4, and GSTR-9 filing.

Calculate TDS on salary, rent, professional fees, contractors, and more. Supports all major TDS sections.

Calculate in-hand salary from CTC. Compare old vs new tax regime and see complete salary breakup.

Calculate LTCG and STCG tax on equity, property, debt mutual funds, and unlisted shares.

Calculate EMI, total interest, and view visual payment breakup for business loans up to ₹5 Cr.

Calculate gratuity amount based on salary and years of service under the Payment of Gratuity Act.

Generate professional rent receipts for HRA tax exemption claims. Print or download as PDF.

Calculate PPF maturity amount with year-by-year breakdown. See total interest earned over 15+ years.

Calculate NPS retirement corpus, monthly pension, and tax benefits under Section 80CCD(1B).

Calculate new salary after hike or find percentage increase from old and new salary figures.