Free tools

Ecommerce tools built for founders.

Quick calculators and generators to help you make better decisions about pricing, ad spend, and product copy. Start with the product description generator if you are writing listings for Shopify, WooCommerce, Amazon or Etsy, or the profit margin calculator if you are still working out what a product should cost.

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Ad Reporting Tool

Paste a Meta or TikTok export to spot winning creatives, ad fatigue, and budget leaks instantly.

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Ecommerce Profit Margin Calculator

Calculate gross margin, net margin, profit per unit, and break-even ROAS for any ecommerce product.

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Conversion Rate Calculator

Calculate your conversion rate, graded against the published market average, plus revenue per visitor.

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Instagram Engagement Rate Calculator

Calculate your Instagram engagement rate by followers and by reach, graded against the published all-industry median.

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Instagram Size Checker

Drop an image in and see whether Instagram keeps, resizes or crops it, with the cut drawn on your own file. Nothing is uploaded.

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ROAS Calculator

Measure your return on ad spend, CPA, and CPC against industry benchmarks.

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Customer Lifetime Value Calculator

Calculate CLV, monthly customer value, and your maximum acquisition cost.

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AI Product Description Generator

Generate compelling product descriptions in multiple tones and lengths.

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Ad Angle Generator

Eight distinct ad angles for one product, each with the buyer it reaches, an example hook and the proof it needs.

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Creative Brief Generator

Turn a product, an audience and real customer language into a ten-section brief: one message, the insight behind it, deliverables and success metrics.

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Hook Generator

Turn your product and real customer reviews into ad, email, and landing page hooks, each labelled with the angle it uses.

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