Free business tools — no login

Free tools for businesses, worldwide

Invoices, tax, pricing, fundraising and growth calculators — built for any country and free to use. No sign-up, no limits. Powered by Nexavolt.

Works for any countryBranded PDF exportsSave drafts & history100% free
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Finance & Billing

Invoice & Quotation Maker

Create GST / VAT-ready invoices, quotations and proforma — branded PDF in seconds.

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Tax & Compliance

Tax / VAT / GST Calculator

Country-aware tax calculator — India GST, EU / UK / UAE VAT, or any custom rate.

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Fundraising & Equity

Runway & Burn-Rate Calculator

Know exactly how many months of cash you have left — and when you run out.

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Growth & Marketing

LTV : CAC & Payback Calculator

Check whether your unit economics are investor-grade — LTV, CAC ratio and payback.

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Growth & Marketing

Marketing ROI / ROAS Calculator

See if your ad spend actually makes money — ROAS, ROI and break-even ROAS.

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Operations

Inventory EOQ & Reorder Point Calculator

Order the right quantity at the right time — EOQ, reorder point and safety stock.

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Fundraising & Equity

Equity Dilution & Cap Table Simulator

See exactly how much of your company you keep after each funding round.

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Fundraising & Equity

Business Readiness / Investability Score

An honest score out of 100 on how fundable your business really is.

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Pricing & Margins

Pricing, Margin & Markup Calculator

Price with confidence — see gross margin, markup and profit at a glance.

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Financing

Business Loan & EMI Calculator

Plan financing — monthly EMI, total interest and full amortization schedule.

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Pricing & Margins

Break-even Calculator

Find the exact volume where your business starts making money.

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Disclaimer & how your data is handled

Nexavolt's free tools are provided for general informational and productivity purposes only, on an “as-is” and “as-available” basis with no warranty of accuracy, completeness, or fitness for a particular purpose. They do not constitute financial, tax, legal, accounting, investment, or other professional advice, and all results — including tax rates, valuations, scores, and projections — are indicative estimates only.

Always confirm figures, applicable tax rates, and regulatory requirements for your product or service category, jurisdiction, and circumstances with a qualified professional before relying on them. To the fullest extent permitted by law, Nexavolt accepts no liability for any loss arising from use of these tools or their output.

These tools work without an account. Calculations run on your inputs to produce results; we store only anonymous usage history tied to a device identifier, plus any email or company name you choose to provide. See our Privacy Policy and Terms.