Free GST & Business Tools
Professional tools for Indian businesses — GST calculations, GSTIN validation, HSN codes, e-invoice eligibility, and invoice generation. All free, all accurate, all private.
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.
Invoice Generator
PDF ExportCreate GST-compliant tax invoices, bills of supply, and credit/debit notes. Download as PDF.
Why Use Our Tools
100% Free
No hidden charges, no premium tiers, no usage limits. All tools are completely free forever.
Accurate & Updated
GST 2.0 compliant with latest rates and rules. Updated with every GST Council notification.
Mobile Friendly
Works perfectly on any device. Use on your phone, tablet, or desktop with the same experience.
Privacy First
All calculations happen in your browser. We don't store or transmit any of your data.
Frequently Asked Questions
Are these GST tools free to use?
Yes, all our business tools are 100% free to use. There are no hidden charges, subscription fees, or usage limits. You can use the GST calculator, GSTIN validator, HSN code finder, e-invoice eligibility checker, and invoice generator as many times as you need without creating an account.
How accurate are the GST calculations?
Our tools are regularly updated to reflect the latest GST rules and rates, including GST 2.0 changes effective from September 2025. The GST calculator uses the official tax slabs (0%, 5%, 12%, 18%, 28%) and correctly computes CGST, SGST, and IGST based on transaction type. However, for complex tax scenarios, we recommend consulting a chartered accountant.
Do I need to create an account to use these tools?
No account or signup is required. Simply visit any tool page and start using it immediately. We don't store any of your data on our servers - all calculations happen locally in your browser for complete privacy.
Can I use these tools on my mobile phone?
Absolutely! All our tools are fully responsive and optimized for mobile devices. Whether you're using a smartphone, tablet, or desktop computer, you'll get the same functionality and user experience. The tools work on all modern browsers including Chrome, Safari, Firefox, and Edge.
Are these tools updated with the latest GST rules?
Yes, we keep our tools updated with the latest GST Council notifications and rule changes. This includes the GST 2.0 rate restructuring, e-invoice threshold changes, and new compliance requirements. Each tool displays the last updated date so you know the information is current.
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