Online business tools for entrepreneurs and freelancers

Discover our collection of free business tools designed to help entrepreneurs, freelancers and companies manage, organize and grow their activity. Automate tasks, improve productivity and simplify daily operations with fast and accessible tools.

30 free tools

Employee Cost Calculator

Calculate total real employee cost: gross salary, employer charges 42%, employee charges, additional costs. Free.

Dividend vs Salary Arbitrage

SASU/SAS: Optimize your compensation between salary (social protection) and dividends (Flat Tax 30%). 2025 rates. Free.

Mileage Allowance 2025

Calculate your 2025 mileage allowance according to official tax scale. Car, motorcycle, bike. Deductible real expenses. Free.

Solar Panel Profitability

Calculate real ROI of your solar panels: 5/10/20 year gains, 2025 subsidies (MaPrimeRénov', self-consumption bonus), weather simulation. Free.

IFI Calculator 2026

Calculate your 2026 IFI (Real Estate Wealth Tax): progressive scale, 30% primary residence deduction, deductible debts. Free.

2026 Renovation Grant Calculator

Calculate energy renovation grants: MaPrimeRénov + CEE + local aids + reduced VAT. Estimate remaining costs and ROI. Free 2026.

Unemployment + Freelance Calculator

Calculate total income combining unemployment benefits and freelance work: deductions, 70% reduction, caps. Free 2026.

Contractors Insurance Comparator

Compare contractors insurance. Personalized quotes by trade, revenue, claims. 6 insurers. Free.

Business Bank Comparator

Compare business banks for tradespeople. Neobanks and traditional banks. Rates, services, compatibility. Free.

Payment Solutions Comparator

Compare Stripe, SumUp, PayPal, Square. Calculate real costs by revenue. Physical, online, mobile payment. Free.

Professional Liability Insurance Calculator

Estimate your professional liability insurance price by trade, revenue, profile. Compare 6 insurers. Included guarantees. Free.

Gross to Net Salary Calculator 2026

Calculate your net salary from gross (or reverse) with detailed social security contributions 2026. Free simulator for all employment statuses.

Work Hours Calculator

Calculate your daily, weekly and monthly work hours. Breaks, overtime and gross salary estimation

Amazon FBA Calculator

Estimez vos frais Amazon FBA, marges et bénéfices nets selon le prix de vente, les coûts logistiques et les commissions

Calculateur de frais eBay

Calculez quickly les commissions eBay, frais de transaction et bénéfices réels sur vos ventes

Self-Employed Terms & Conditions

Free Terms & Conditions generator for self-employed. Create compliant T&Cs with mediation, legal guarantees, withdrawal right. PDF/HTML export.

VAT Calculator

Calculate VAT net↔gross in real time. Rates by country (30+ countries), batch mode, French rate table by category, 7 currencies and CSV export.

Calculateur ROI publicité

Calculez le retour sur investissement de vos campagnes publicitaires et analysez easily votre rentabilité marketing.

Payroll Portage Simulator 2026

Calculate your net salary in payroll portage from your daily rate. Compare with auto-entrepreneur and SASU. Find the best portage company among 10+ establishments. Free for consultants and freelancers.

Bank Comparison 2026

Compare 20+ French banks (traditional, online, neobanks) and save up to €300/year on banking fees. Free and no commitment.

Professional Invoice Generator 2026

Create compliant professional invoices for free. Automatic VAT calculation, legal mentions, PDF export, design templates.

Restaurant Margin Calculator

Calculate gross and net margins, multiplier coefficient and restaurant profitability

Micro-Business Simulator

Calculate social contributions, taxes and net income as a micro-entrepreneur

Airbnb Income Calculator

Estimate your Airbnb income, expenses and monthly/annual net profit

Self-Employed Revenue Book

Mandatory revenue book generator for self-employed. Record payments, calculate social contributions, export PDF/Excel. Free and secure.

Airbnb Receipt and Invoice

Receipt and invoice generator for Airbnb rentals. French tax compliant, SIRET, VAT, tourist tax. Professional PDF export for business travelers and accounting.

Airbnb House Rules

Customized house rules generator for Airbnb rentals. House rules, schedules, prohibitions, instructions. Professional PDF export to display in property.

Airbnb Inventory Checklist

Check-in/check-out inventory generator for Airbnb rentals. Detailed room-by-room checklist, photos, signatures. Complete PDF export to secure your rental.

Short-Term Rental Contract

Airbnb short-term rental contract generator compliant with French law (Alur, Elan). 5 steps, PDF/HTML export, individuals and companies. Mandatory tourist rental clauses included.

Margin Calculator

Calculez easily votre marge, taux de marge et prix de vente à partir du coût d'achat.

Why use business tools?

Business tools help structure and optimize daily operations. Whether you are an entrepreneur, freelancer or company owner, they allow you to save time, automate tasks and improve your workflow.

Management and organization

Good organization is essential for running a successful business. These tools help you manage projects, organize data and streamline your daily operations.

Task automation

Automating repetitive tasks allows you to focus on growth and strategy. Our tools simplify document creation, data handling and workflow optimization.

Productivity and performance

Improving productivity is key to business success. With simple and fast tools, you can work more efficiently, reduce errors and make better decisions.

Accessibility and simplicity

All business tools are accessible online with no installation or signup required. They run directly in your browser for a fast and seamless experience.

Frequently Asked Questions

Business tools help manage, organize and optimize professional activities. They allow you to automate tasks, improve productivity and structure your daily workflow.

Yes, all business tools on ToolSmartly are free and accessible without signup. You can use them directly online.

No account is required. All tools are instantly available and run directly in your browser.

No data is stored. All processing happens locally in your browser to ensure full privacy.

Can't find the tool you need?

We regularly add new free tools. Feel free to suggest a tool.

Last updated: March 13, 2026

Created on: February 10, 2024