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I built a tool to show how much ARR you lose to FX fees

Show HN: I built a tool to show how much ARR you lose to FX fees

45 AI Score
Show_hn other Added Apr 5, 2026

Details

Sector
other
Total Funding
$0
Last Round
$0

About

Hey HN,<p>I started my career as a finance manager, transitioned into product management, and now I’m building my own products.<p>Back in my finance days, while managing a £6M budget, I uncovered a £15k leak hiding in plain sight: FX fees.<p>Today, I see solo founders making the exact same mistake. I realised most founders are quietly losing 2-5% of their revenue to what I call the Lazy Tax: - Stripe&#x27;s ~2% auto-conversion fee on inbound revenue, - plus their local bank&#x27;s ~3% spread when paying for global SaaS tools (AWS, Claude, Ads).<p>So I built FixMyFX to show founders their exact leak and how to fix it (using multi-currency accounts to achieve a zero FX leak setup).<p>Initially, I had Claude build this in React. Realised a simple calculator shouldn&#x27;t need a 150kb payload and a complex build process. Threw the React code away and rebuilt it as a single lightweight HTML file using Alpine.js and Tailwind.<p>It&#x27;s completely free and ungated. I hope it helps you keep a bit more of your hard-earned revenue. Would love your feedback.<p>Tania

AI Score Reasoning

FixMyFX is currently a useful lead-generation tool with strong founder-market fit, but it lacks a proprietary moat or scalable product architecture to be considered a high-growth VC investment. While it addresses a legitimate pain point for global solo founders, the current iteration is a utility calculator rather than a defensible platform.

Source

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