Finance and Business Utilities & Operator Guides
Loan and EMI schedules, compound interest, invoices, margins and tax estimates.
Quick Summary / Direct Answer
OpenTools has 49 working finance and business tools. Each one runs in your own browser tab, so your files and inputs never touch a server. There is no account and no paywall.
Category Specifications
Working tools
49
Server upload
None
Runs on
Your browser
Cost
Free, no paywall
All Finance and Business tools
Read the guide, or open the tool straight away.
Loan EMI Calculator
Run loan emi calculator in your browser tab.
Mortgage Calculator
Run mortgage calculator in your browser tab.
Simple Interest Calculator
Run simple interest calculator in your browser tab.
Compound Interest Calculator
Run compound interest calculator in your browser tab.
SIP Calculator
Run sip calculator in your browser tab.
Lumpsum Investment Calculator
Run lumpsum investment calculator in your browser tab.
Recurring Deposit Calculator
Run recurring deposit calculator in your browser tab.
Fixed Deposit Calculator
Run fixed deposit calculator in your browser tab.
CAGR Calculator
Run cagr calculator in your browser tab.
ROI Calculator
Run roi calculator in your browser tab.
IRR Calculator
Run irr calculator in your browser tab.
XIRR Calculator
Run xirr calculator in your browser tab.
NPV Calculator
Run npv calculator in your browser tab.
Inflation Calculator
Run inflation calculator in your browser tab.
Future Value Calculator
Run future value calculator in your browser tab.
Present Value Calculator
Run present value calculator in your browser tab.
Annuity Calculator
Run annuity calculator in your browser tab.
Retirement Corpus Calculator
Run retirement corpus calculator in your browser tab.
Emergency Fund Calculator
Run emergency fund calculator in your browser tab.
Savings Goal Calculator
Run savings goal calculator in your browser tab.
Debt Payoff Calculator
Run debt payoff calculator in your browser tab.
Credit Card Payoff Calculator
Run credit card payoff calculator in your browser tab.
Debt to Income Calculator
Run debt to income calculator in your browser tab.
Net Worth Calculator
Run net worth calculator in your browser tab.
Budget Planner
Run budget planner in your browser tab.
50-30-20 Budget Calculator
Run 50-30-20 budget calculator in your browser tab.
GST Calculator
Run gst calculator in your browser tab.
VAT Calculator
Run vat calculator in your browser tab.
Sales Tax Calculator
Run sales tax calculator in your browser tab.
Hourly to Salary Calculator
Run hourly to salary calculator in your browser tab.
Overtime Calculator
Run overtime calculator in your browser tab.
Freelance Rate Calculator
Run freelance rate calculator in your browser tab.
Markup Calculator
Run markup calculator in your browser tab.
Margin Calculator
Run margin calculator in your browser tab.
Break Even Calculator
Run break even calculator in your browser tab.
Profit Calculator
Run profit calculator in your browser tab.
Discount Calculator
Run discount calculator in your browser tab.
Commission Calculator
Run commission calculator in your browser tab.
Tip Calculator
Run tip calculator in your browser tab.
Split Bill Calculator
Run split bill calculator in your browser tab.
Inventory Turnover Calculator
Run inventory turnover calculator in your browser tab.
Customer Acquisition Cost Calculator
Run customer acquisition cost calculator in your browser tab.
Lifetime Value Calculator
Run lifetime value calculator in your browser tab.
Churn Rate Calculator
Run churn rate calculator in your browser tab.
MRR Calculator
Run mrr calculator in your browser tab.
ARR Calculator
Run arr calculator in your browser tab.
Runway Calculator
Run runway calculator in your browser tab.
Burn Rate Calculator
Run burn rate calculator in your browser tab.
Invoice Late Fee Calculator
Run invoice late fee calculator in your browser tab.