No account. No black box. Review every output.

Small Tools for Marketing Systems with Expensive Handoffs.

Build campaign links, naming patterns, QR assets, HubSpot mappings, and planning calculations while keeping the rules and missing assumptions visible.

8 tools and calculators

Start where the downstream confusion begins.

Generate the output, inspect the formula or assumptions, then connect it to a repeatable team rule.

calculator

Blended CAC Calculator

Calculate marketing-only and fully loaded customer acquisition cost with the exact spend boundary shown.

beta // marketing-only CAC + fully loaded CAC + worked formula Run the Tool
taxonomy

Campaign Name Generator

Standardize campaign names from a rules-based taxonomy instead of ad hoc naming habits.

live // csv + txt + shareable-url Run the Tool
workflow-automation

Google Slides Update Marker Generator

Generate a rerunnable Apps Script that places visible update markers on the slides your team needs to revise.

live // apps-script + clipboard Run the Tool
hubspot-ops

HubSpot Form Filler

Create prefill and test-submission helpers for HubSpot forms you own, with safer field mapping and workflow validation.

beta // js-snippet + json + csv Run the Tool
calculator

Lead-to-Revenue Funnel Calculator

Model how stage conversion rates turn a lead volume into customers and revenue, with every assumption visible.

beta // stage volumes + modeled customers + modeled revenue Run the Tool
calculator

MMM Scenario Laboratory

Explore illustrative channel response curves, diminishing returns, allocation choices, and uncertainty without mistaking the exercise for a fitted model.

beta // interactive scenario + illustrative range Run the Tool
qr-tracking

QR Campaign Builder

Generate trackable QR assets tied to campaign URLs, bulk export, and ZIP packaging.

beta // png + svg + zip Run the Tool
attribution

UTM Builder

Build clean campaign URLs with consistent naming, lowercase normalization, and bulk CSV export.

beta // csv + txt + shareable-url Run the Tool