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Noxtill

Free tools for small businesses

Quick answers for the numbers, links and paperwork you deal with every day.

10 free calculators and generators. Open one, fill in your numbers, copy or download the result.

  • Free, no limits
  • No sign-up
  • Nothing you enter is stored

Pricing & Finance

Discount Calculator

Single, stacked and fixed discounts with sales tax, to the cent.

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Profit Margin Calculator

Gross margin, markup and profit per item from your real costs.

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Break-Even Calculator

How many sales you need to cover fixed costs and hit a profit target.

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Missed Call Revenue Calculator

What unanswered calls cost you each month and year.

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Marketing & Growth

QR Code Generator

Static QR codes for links, Wi-Fi, contacts, SMS, email and more.

Open tool

Google Review Link & QR

A one-tap review link and a printable counter card with QR.

Open tool

UTM Link Builder

Clean, consistent campaign tracking links for GA4.

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Sales & Communication

Invoice Generator

A clean, printable invoice with line items, tax and payment notes.

Open tool

WhatsApp Link Generator

A click-to-chat link and QR with a pre-filled message.

Open tool

Email Signature Generator

A tidy HTML signature that works in Gmail and Outlook.

Open tool

These tools do one job. Noxtill runs the whole business.

Sales, bookings, invoices, inventory, reviews and customer messages in one place, with AI that keeps it all moving.

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