Free Tools

Business Tools for Indian Shopkeepers

Free, no sign-up calculators and generators built for Indian small businesses. Use them right in your browser.

GST Calculator

Calculate GST amount, net price, and gross price instantly. Supports all Indian GST rates: 5%, 12%, 18%, and 28%.

Use tool →

Profit Margin Calculator

Calculate profit margin, markup, and selling price from cost price. Essential for kirana and wholesale shops.

Use tool →

Free Invoice Generator

Create professional GST-compliant invoices in PDF format. No sign-up required.

Use tool →

Udhar Interest Calculator

Calculate interest on outstanding udhar / credit for your customers. Simple and compound interest.

Use tool →

EMI Calculator

Calculate monthly EMI for business loans. Helps plan equipment purchases and shop expansion.

Use tool →

Want these tools on your phone?

Hisab Expert includes GST calculation, invoicing, and more - all built into the app, working fully offline.

Download Hisab Expert