20+ Free Business Tools

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Free online calculators and AI-powered tools for entrepreneurs, freelancers, and small business owners. No signup. No cost. Ever.

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💰 Finance & Business 9 tools
📈
Profit Margin Calculator
Gross, net & operating margins instantly.
Finance 💰
ROI Calculator
Return on investment for any project or campaign.
Finance ⚖️
Break-Even Calculator
Find out when your business becomes profitable.
Finance 🏷️
Markup Calculator
Calculate selling price from cost and markup %.
Finance 📊
Compound Interest
See how your money grows over time.
Finance 🏦
Business Loan Calculator
Monthly payments & amortization schedule.
Finance 🔄
Working Capital Calculator
Net working capital and current ratio.
Finance 💳
Debt Payoff Calculator
Avalanche vs snowball debt payoff methods.
Finance 🧮
VAT / Tax Calculator
Add or remove VAT/GST from any amount.
Finance
🧾 Invoicing & Billing 2 tools
🧾
Invoice Generator
Create and download professional invoices as PDF.
Billing 💱
Currency Converter
Convert between 30+ currencies with live rates.
Billing
👥 HR & Salary 2 tools
⏱️
Salary to Hourly
Convert annual salary to hourly, daily & weekly rates.
HR 🧑‍💻
Freelancer Rate Calculator
Find your ideal hourly rate based on income goals.
HR
🚀 Startup & Planning 2 tools
🚀
Startup Cost Estimator
Plan your full business launch budget by category.
Planning 📋
AI Business Plan Generator
13-section business plan tailored to your idea.
AI
AI
✨ AI Writing Tools 5 tools · 3 free uses/day
AI
✨
Business Name Generator
12 unique name ideas with taglines & domain suggestions.
AI Writing
AI
📝
AI Cover Letter Writer
Tailored professional cover letters in seconds.
AI Writing
AI
👤
AI Bio Generator
Professional bios for LinkedIn, Twitter and more.
AI Writing
AI
🛍️
Product Description Writer
Conversion-focused descriptions for Shopify, Amazon & Etsy.
AI Writing
AI
📧
Email Subject Generator
10 high-converting subject lines for any campaign.
AI Writing
🔢 Math & Everyday 3 tools
%
Percentage Calculator
What is X% of Y, percentage change, increase & decrease.
Math 🎂
Age Calculator
How old am I? Age in years, months, days, hours. Age difference & future age.
Math 🏷️
Discount Calculator
Sale price, percent off, original price, stacked discounts & BOGO deals.
Math
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Built for people
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⚡
Instant results
Every tool runs in your browser. No loading, no waiting, no server calls for basic calculations.
🔒
No account needed
We don't ask for your email. We don't track what you calculate. Just open and use.
📱
Works everywhere
Every tool is fully responsive. Use on your phone, tablet, or desktop without issues.
🌍
Built for global use
Tools support 30+ currencies, global tax rates, and use cases across different countries.