Build a Currency Converter with AI

Vibe-code a live currency converter with real exchange rates and historical charts — any currency pair, no API key needed.

Comment ça fonctionne

Étape 1

Décrivez votre idée

Rédigez une invite en texte libre décrivant ce que vous souhaitez.

Étape 2

L'IA le construit

Cryptohopper génère instantanément du code prêt pour la production.

Étape 3

Déployez et passez en ligne

Votre projet est hébergé sur son propre sous-domaine en quelques minutes.

Pourquoi créer avec l'IA plutôt que de faire appel à un développeur ?

	Cryptohopper	Développeur traditionnel
Délai de lancement	Moins de 5 minutes	2 à 8 semaines
Coût	À partir de 0 $	5 000 $ - 50 000 $+
Maintenance	Incluse	Prestataire récurrent

What is a currency converter?

A currency converter turns an amount in one currency into another at the current exchange rate — the most-used finance tool on the web. This one pulls free European Central Bank reference rates (no API key, no signup), converts instantly as you type, shows the inverse rate, and can chart how any pair has moved over time. Cryptohopper.AI builds it from a sentence, so you can add the exact currencies, layout and history you want without touching code.

Common features

Live ECB reference rates, no API key required
Convert as you type, with the inverse rate shown
Any currency pair plus multi-currency output
Historical rate chart for any pair
Favourites list for the pairs you use most
Clean, responsive UI

Real-world examples

Travel converter

Pick your home and destination currencies, see the rate and a quick reference table of common amounts.

Multi-currency board

One base amount converted into ten currencies at once — handy for pricing across markets.

Rate watcher

A pair with a 90-day history chart so you can time a conversion better.

Why Cryptohopper.AI fits currency converter projects

Cryptohopper.AI isn't only for bots — describe a currency converter and it ships a working one with live rates and charts, no key wrangling. Add pairs, history or a favourites list just by chatting.

Essayez ces invites

Copiez l'une des invites ci-dessous et collez-la dans Cryptohopper pour commencer.

Build me a currency converter for USD, EUR, GBP and JPY with live ECB rates and a 30-day history chart.

Create a clean currency converter where I type an amount and pick two currencies, with the inverse rate shown too.

Make a travel currency converter with a favourites list for the pairs I use most.

Build a multi-currency converter that shows one base amount converted into ten currencies at once.

Foire aux questions

Where do the exchange rates come from?

From a free, no-key public rates source (European Central Bank reference rates via Frankfurter), so the converter works out of the box with no signup or API key.

Can it show historical rates?

Yes — you can add a history chart for any pair so you can see how the rate has moved over days, weeks or months.

Does it handle crypto?

This converter focuses on fiat currencies. For crypto prices, build a crypto watchlist or profit calculator instead — just ask.

Is it accurate for trading?

ECB reference rates are mid-market daily rates — great for estimates and travel, but live trading spreads differ. It's a reference tool, not a trading venue.

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