Free Business Tools Directory
Free, private, and client-side utilities built to simplify billing, quotations, and tax calculations for freelancers, consultants, and growing enterprises.
📄 Invoicing & Billing Suite
Professional tools to bill clients, outline transaction scopes, and get paid faster.
Invoice Generator
Create elegant, tax-compliant PDF invoices with customizable currency, logo upload, payment terms, and line-item discounts. No registration required.
- ✓ Multi-currency (30+ currencies)
- ✓ Automatic tax & balance calculation
- ✓ High-resolution PDF export
Proforma Invoice Generator
Issue preliminary invoices and formal price quotations before delivering goods or services. Ideal for international trade, customs valuation, and client agreements.
- ✓ Valid-until quotation dates
- ✓ Shipping & handling line items
- ✓ Instant print & PDF download
Quotation Maker
Create professional quotations online without login. Download in Word or PDF instantly with auto-calculation, GST support, and validity dates.
- ✓ No login required — 100% free
- ✓ Download in Word (.doc) & PDF
- ✓ Auto-calculate totals & GST
Purchase Order Generator
Create professional purchase orders online for free. Add buyer and supplier details, itemized products, pricing, taxes, payment terms, and your logo. Download or print instantly.
- ✓ No signup required — 100% free
- ✓ Auto PO number & multi-currency support
- ✓ GST/HSN, discount & shipping options
Construction Estimate Generator
Create professional construction estimates without login. Materials, labor, equipment breakdown with GST support. Download PDF or Word instantly.
- ✓ No login required — 100% free
- ✓ PDF + Word download
- ✓ Materials, labor & contingency support
Receipt Generator
Create professional receipts with AI-like automation. No watermark, no login. Auto amount in words, tax calculation, and instant PDF or Word download.
- ✓ No watermark — 100% free
- ✓ PDF + Word download
- ✓ Auto amount in words & GST support
💰 Tax & Finance Calculators
Accurate tax breakdown calculators to ensure precision before issuing commercial bills.
GST Calculator (India)
Quickly calculate Goods and Services Tax with dual support for Intra-State (CGST + SGST) and Inter-State (IGST) transactions across all standard Indian tax slabs.
- ✓ Add GST or Remove GST modes
- ✓ 0%, 5%, 12%, 18%, and 28% slabs
- ✓ Instant one-click calculation copy
VAT Calculator
Calculate UK Value Added Tax instantly. Easily determine VAT-inclusive gross prices or reverse calculate net amounts at 20% Standard, 5% Reduced, and 0% Zero rates.
- ✓ Add VAT or Extract VAT formulas
- ✓ HMRC-compliant rate selections
- ✓ Responsive mobile interface
Калькулятор ПДВ (Україна)
Розрахуйте податок на додану вартість в Україні. Підтримка ставок 20% (стандартна), 7% (пільгова) та 0% (нульова). Миттєвий результат.
- ✓ Нарахувати або виділити ПДВ
- ✓ Ставки 20%, 7%, 0% та власна
- ✓ Миттєве копіювання результату
Percentage Calculator
Multi-mode percentage calculator designed for business invoicing, retail markups, settlement discounts, percentage change, and commercial proportions.
- ✓ 5 distinct calculation modes
- ✓ Dynamic formula & step-by-step breakdown
- ✓ Instant one-click clipboard copy
Калькулятор відсотків (Україна)
Багаторежимний калькулятор відсотків для рахунків, роздрібних націнок, знижок, зміни у відсотках та пропорцій. Покрокові формули українською.
- ✓ 5 режимів розрахунку
- ✓ Миттєве копіювання результату
- ✓ 100% локально та приватно
Compound Interest Calculator
Calculate investment growth with daily, monthly, quarterly, or yearly compounding. Includes optional monthly contributions, year-by-year breakdown, and effective annual rate (EAR).
- ✓ Daily, monthly, quarterly, yearly compounding
- ✓ Optional monthly contributions
- ✓ Effective annual rate (EAR) + Rule of 72
Annualized Return Calculator
Convert monthly returns to annualized returns instantly. Includes formula, step-by-step breakdown, and Excel method for any number of months.
- ✓ Monthly returns → Annualized return
- ✓ Step-by-step calculation breakdown
- ✓ Excel formula included
Percentage of Sales Calculator
Calculate sales commission, profit %, expense ratio, sales growth, and reverse percentage instantly. Perfect for business owners and sales teams.
- ✓ Sales commission calculator
- ✓ Profit & expense % of sales
- ✓ Sales growth % & reverse calculation
💪 Health & Fitness Calculators
Track your health metrics with our free fitness calculators.
BMI Calculator
Calculate your Body Mass Index (BMI) for men and women. Supports kg/cm and kg/feet measurements with age-based healthy weight ranges.
- ✓ Metric (kg/cm) & Imperial (kg/feet)
- ✓ BMI chart & healthy weight range
- ✓ Age & gender-based interpretation
Calorie Calculator
Calculate daily calorie needs for weight loss, gain, or maintenance. Includes BMR, TDEE, macros, breastfeeding support, and treadmill burn calculator.
- ✓ BMR & TDEE calculation
- ✓ Weight loss/gain targets with timeline
- ✓ Breastfeeding & treadmill support
Feet to CM Converter
Convert feet and inches to centimeters instantly. Includes conversion formula, chart, and automatic conversion table for common heights.
- ✓ Feet + inches to cm conversion
- ✓ Instant automatic calculation
- ✓ Complete conversion chart
🎓 Education Calculators
Free tools for students to track GPA and academic performance.
Cumulative GPA Calculator
Calculate your cumulative GPA (CGPA) for college and high school. Supports semester GPA, all 4 years, multiple colleges, and CGPA to percentage conversion.
- ✓ Semester GPA & Cumulative GPA modes
- ✓ 4.0 scale with letter grades
- ✓ CGPA to percentage conversion
Weighted GPA Calculator
Calculate your weighted GPA with AP, Honors, and IB courses. Supports 4.0, 5.0, and 6.0 scales with instant unweighted GPA comparison.
- ✓ AP, Honors, IB, College course weights
- ✓ 4.0, 5.0, 6.0 & 100-point scale
- ✓ Weighted vs Unweighted comparison
Why Businesses Rely on Invoice-Make
We believe that basic business utilities should be accessible, lightning fast, and entirely private. Unlike traditional cloud accounting software that charges expensive monthly subscriptions and holds your data hostage, Invoice-Make delivers professional utility right inside your browser.
100% Client-Side Privacy
Your business numbers, client details, and pricing never touch our servers. Calculations run locally on your device for absolute confidentiality.
Zero Sign-Up Friction
No passwords to remember, no credit cards, and no verification emails. Open the tool, enter your figures, and generate your PDF in seconds.
Global Compliance Ready
Support for over 30 worldwide currencies, custom date formats, multilingual labels, and regional tax specifications including GST, VAT, and Ukrainian ПДВ.