Free tools for DTC operators

Seven tools I built for my own accounts and then made free. Every one runs entirely in your browser: if a tool takes a CSV, the file is parsed locally and never uploaded to a server. No account is required to use any of them.

Ad Scale Scatter

Plot every ad on log spend by CPA to separate what scales, what waits, and what to kill

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Creative Pace

Check whether your creative volume keeps up with your spend level

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MER Analysis

See why a falling MER can still mean rising profit, and model a scale scenario

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Marginal Efficiency

Find the daily spend that maximizes profit, and the point where it stops

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Cash Flow Projection

Model cohort payback and how much cash your growth rate actually requires

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LTV Analysis

Cohort lifetime value, retention curves, and revenue projections from a CSV

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UGC Brief Builder

Build and copy a production-ready creator brief in minutes

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The thinking behind them

Each tool encodes a method rather than just running a formula. The frameworks section explains the reasoning, states the sample size behind each number, and says where it stops holding.

Read the frameworks →