Free GST Tools & Calculators
Accurate, compliant, and lightning-fast tools designed to simplify your billing, tax computations, and compliance workflows. No signup required.
Free Invoice Generator
Generate and download compliant GST tax invoices instantly as PDF without registering. Capped at 10 items per document.
Free Quotation Generator
Create professional GST quotations and estimates online instantly without registering. Download clean PDFs for clients.
Free Proforma Generator
Generate professional GST proforma invoices for advance payments instantly as PDF without login.
AI GST Rate & HSN Finder
Describe your goods or services in simple English and let our AI tax assistant identify classification codes (HSN/SAC) and rates.
GST Calculator
Compute GST amounts (Inclusive or Exclusive) instantly. Generates complete CGST, SGST, and IGST breakdowns for all tax slabs.
Reverse GST Calculator
Extract the base amount (taxable value) and tax component from a GST-inclusive price. Ideal for checking pre-tax values.
Intelligent GSTIN Validator
Check GST numbers structurally. Decodes state code, PAN card number, constitution type, and verifies the Mod-36 checksum character.
HSN/SAC Code Finder
Search our rates directory for goods and services categories. Identify tax slabs (5%, 12%, 18%, 28%) and legal classifications.
GSTR Late Fee Calculator
Calculate late filing fees (GSTR-3B & GSTR-1) with aggregate turnover cap brackets, plus delay interest under Section 50.
AI GST Legal Advisor
Ask our AI-powered tax consultant about CGST/SGST rules, Input Tax Credit (ITC) eligibility limits, and legal return deadlines.
GST State Codes Directory
Quickly lookup or verify the 2-digit GST state codes used as the prefix for all business registration numbers in India.
AI Invoice Auditor
Paste raw invoice text and let our AI compliance model check it structurally against mandatory CGST Act Rule 46 requirements.
Composition Scheme
Check eligibility turnover thresholds (1.5 Cr / 75L / 50L) and calculate flat tax liabilities vs regular scheme splits.
E-Way Bill Limits
Lookup intra-state and inter-state e-way bill threshold limits and registration exemption rules across all Indian states.
GST ITC Calculator
Calculate eligible Input Tax Credit, filter blocked credits under Section 17(5), and plan tax offsets using standard Rule 88A formulas.
Profit Margin Calculator
Calculate gross profit margin, net profit margin, and operating markup percentages from sales revenue and expenses.
Break-Even Sales Calculator
Determine the exact sales volume and revenue required to cover fixed and variable business costs with zero loss.
GST Registration Checker
Check whether your business is legally required to register under Indian GST based on turnover, state, and business type.
Markup vs Margin Calculator
Convert seamlessly between markup percentage and profit margin percentage to set optimal product selling prices.
Business Loan EMI Calculator
Calculate monthly loan installments (EMI), total payable interest, and view detailed loan amortization schedules.
Cash Flow Forecast Calculator
Forecast monthly cash inflows, outflows, and net cash position to prevent cash crunch in your business operations.
Working Capital & Ratio Calculator
Evaluate business liquidity by computing Net Working Capital, Current Ratio, and Quick Acid-Test Ratio.
GST Return Due Date Finder
Find statutory filing deadlines for GSTR-1, GSTR-3B, CMP-08, and annual returns based on month and scheme.
Invoice Due Date & MSME 45-Day
Compute invoice payment due dates from credit terms (Net 15/30/60) and verify statutory Section 43B(h) MSME 45-day limits.
Discount & Margin Calculator
Calculate trade discounts, cash discounts, dual/tiered discounts, and effective post-tax prices with GST applied.
Fleet Route Planner (VRP)
Optimize multi-stop delivery routes across multiple drivers. Minimizes fuel costs, balances stops, and creates driver navigation links.
No matching tool found
Ask our AI Tool Finder what calculation or task you want to do!
AI Tools That Work With GST Maker
Connect GST Maker's Model Context Protocol (MCP) server and REST APIs directly with your favourite AI agents. This creates a real ecosystem, rather than just an SEO directory.
Claude Desktop
Connect GST Maker MCP tools with Claude for conversational GST calculations, HSN lookup, and notice advisory.
ChatGPT Actions
Use GST Maker's OpenAPI and MCP capabilities with Custom GPTs and autonomous billing agents.
Cursor IDE
Allow software developers to access live GST-related tools and test data directly while building fintech apps.
n8n Workflows
Build automated billing pipelines, WhatsApp customer notifications, and bank reconciliation using GST Maker.
Recommended AI & Business Tools
External tools that complement GST Maker to supercharge your business productivity, design, accounting, and client workflows.
Claude AI
Analyze GST legal notices, draft commercial service agreements, and perform deep financial reasoning.
ChatGPT
Draft persuasive payment reminder emails, automated WhatsApp billing updates, and spreadsheet formulas.
Google Gemini
Multimodal receipt OCR scanning, photo-to-JSON expense logging, and Google Workspace Drive automation.
Canva
Design transparent brand logos, corporate letterheads, and commercial proposals for GST Maker invoice themes.
n8n Workflows
Fair-code workflow pipelines connecting payment gateways with GST Maker for zero-touch invoice generation.
Zapier
Connect Razorpay, Shopify, Stripe, and 6,000+ business applications to auto-issue compliant invoices.
Google Sheets
Maintain sales registers, purchase ledgers, and automate GSTR-3B tax calculations with pre-built formulas.
Business Toolkit: Hardware & Banking Deals
Curated thermal printers, barcode scanners, and 0-balance current accounts vetted for Indian shops and MSMEs.
Amazon's Choice
3.8
Helett HT20Lite Wireless 2D & 1D Barcode Scanner
Wireless 2D and 1D barcode scanner for POS, retail and inventory workflows
Amazon's Choice
4.3
Portronics Bubble 3.0 Wireless Keyboard
Rechargeable wireless keyboard with Bluetooth and 2.4 GHz connectivity, numpad and multimedia keys.
4.2
Samsung Galaxy Tab A9 8.7-inch 4GB 64GB
Compact Samsung tablet for mobile billing, invoicing and business applications.
Tired of manual tax calculations?
Create ready-to-send, fully GST-compliant invoices in under 10 seconds. Auto-calculate taxes, track stock limits, manage clients, and export your GSTR files seamlessly.