CurrencyWheel is a free currency converter with a built-in Time Machine. Spin the interactive wheel to travel back in time and explore historical exchange rates up to 5 years ago — no registration, no ads, no friction. Supports 23 currency pairs with real-time ECB rates. Works on desktop and mobile.
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Maker
📌
Hey Product Hunt!
CurrencyWheel started as a personal frustration: as a musician paid in dollars who invoices in euros, I was constantly jumping between Google, exchange rate charts, and historical data just to do basic currency math.
So I built a small Windows widget first, just for myself. Then I got slightly carried away and turned it into a full web app with a Time Machine.
How it works:
1. Pick a currency pair
2. Enter an amount
3. Spin the wheel to travel back in time and see the historical rate
Completely free, no registration, no ads. All feedback welcome!
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Spun the wheel back a few years to check rates from a trip to Japan and it actually matched what my bank charged me, which never happens with these tools. The whole thing loads instantly and the time machine idea is genuinely clever.
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Maker
@ethem_topr36430 Thanks, that means a lot! Rates come straight from ECB via the Frankfurter API: same reference banks use, so nice to hear it lines up in the real world. And glad the Time Machine idea landed :)
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The spinable wheel as a way to scrub through historical rates is such a clever way to make boring financial data feel actually fun. And shipping it ad-free with no signup is a rare treat these days.
Spinning back through past EUR rates felt weirdly satisfying, way more fun than another plain converter page. Love that it just works without any sign-up hassle.
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Maker
@zgepirazcraq Thank you so much! I confess: even I catch myself just spinning the wheel back and forth for no reason. I created a monster :) Really glad you're enjoying it!
Spun the wheel back a few years to check rates from a trip to Japan and it actually matched what my bank charged me, which never happens with these tools. The whole thing loads instantly and the time machine idea is genuinely clever.
@ethem_topr36430 Thanks, that means a lot! Rates come straight from ECB via the Frankfurter API: same reference banks use, so nice to hear it lines up in the real world. And glad the Time Machine idea landed :)
The spinable wheel as a way to scrub through historical rates is such a clever way to make boring financial data feel actually fun. And shipping it ad-free with no signup is a rare treat these days.
@baskapanad54699 Thank you!
Spinning back through past EUR rates felt weirdly satisfying, way more fun than another plain converter page. Love that it just works without any sign-up hassle.
@zgepirazcraq Thank you so much! I confess: even I catch myself just spinning the wheel back and forth for no reason. I created a monster :) Really glad you're enjoying it!