GST Calculator 2026

GST Calculator 2026 is a fast, accurate, and 100% offline GST calculation app for India. Whether you're a shop owner, accountant, business professional, or student, this all-in-one GST toolkit handles every tax scenario with clear, itemized results — no internet required. ✨ Features 🧮 Core GST Calculations Add GST – Calculate the final price after adding GST to a base amount Remove GST – Strip GST from an inclusive price to find the pre-tax amount GST Slab Calculator – Quick rate selection across all Indian slabs (0%, 5%, 12%, 18%, 28%) plus a custom percentage Reverse GST – Work backward from the total to the original price CGST / SGST / IGST split – Automatic breakup for intra-state and inter-state supplies 📄 Invoice & Billing Invoice Generator – Create clean, professional invoices with business and customer details, line items, quantities, prices, sub-total, tax, and grand total Split Bill – Divide a bill evenly and show the amount each person pays, plus the GST included 🔍 GST Information HSN Code Search – Browse a built-in library of HSN codes across products and services with their GST rates State-wise GST – Understand CGST + SGST (intra-state) vs. IGST (inter-state) for any supply 📊 Comparisons GST Comparison – Compare two prices at different GST rates to see the cheaper option and how much you save 🛡️ Privacy-first & lightweight Works 100% offline – your data never leaves your device No account, no sign-up, no data collection Portrait, material-design interface in 11 languages: English, हिन्दी (Hindi), Español (Spanish), Français (French), Deutsch (German), العربية (Arabic), Português (Portuguese), मलयालम (Malayalam), தமிழ் (Tamil), ಕನ್ನಡ (Kannada), తెలుగు (Telugu)