toololis
Retour Retour to Finance
💱

Convertisseur de Devises — Outil en ligne gratuit

Taux de change en temps réel pour 170+ devises

Convertis entre 170+ devises avec taux de change en temps réel. Gratuit, rapide, mis à jour quotidiennement. Sans inscription.

Loading rates...
📚
En savoir plus

Free currency converter — live rates, 170+ currencies

Outilolis Currency Converter converts between 170+ world currencies using daily-updated mid-market rates. Rates fetched from Open Exchange Rates API. Conversion is instant. Works on any device.

Most-used currency pairs

  • EUR ↔ USD — Transatlantic business, tourism
  • USD ↔ GBP — UK exports, US-UK travel
  • USD ↔ JPY — US-Japan trade, anime / gaming purchases
  • EUR ↔ GBP — Post-Brexit EU-UK commerce
  • USD ↔ INR — Remittances to India, outsourcing
  • USD ↔ CNY — China trade, major manufacturing
  • USD ↔ MXN — Cross-border commerce, remittances
  • EUR ↔ TRY — Europe-Turkey tourism and trade

How to use this tool

  1. 1

    Pick your currencies

    Select the "from" currency (the one you have) and "to" currency (the one you want). 170+ currencies supported.

  2. 2

    Enter an amount

    Type the amount. Conversion happens instantly using the latest published exchange rate.

  3. 3

    Swap or copy

    Click ⇄ to reverse the conversion direction. Click Copy to send the result to your clipboard.

Mid-market vs bank rate

This tool shows mid-market rates — the actual exchange rate on interbank markets. Banks and credit cards add a spread (usually 1–3%) plus sometimes a fixed fee. When you exchange physical cash or use credit abroad, your actual rate will be slightly worse.

Tips for better exchange rates

  • Use Wise, Revolut, or similar fintechs for international transfers — they charge close to mid-market rates
  • Avoid airport currency exchanges — worst rates, often 5–10% above mid-market
  • Decline "dynamic currency conversion" at foreign ATMs and POS — always pay in local currency
  • Use credit cards with no foreign transaction fee for travel — typically 0.5–1% above mid-market

Frequently Asked Questions

How often are the rates updated?
Rates are fetched live from open.er-api.com, which refreshes daily with mid-market rates. We cache rates in your browser for up to 1 hour to reduce API calls and keep the tool fast.
Where do the exchange rates come from?
The Open Exchange Rates API aggregates from multiple sources including the European Central Bank and commercial providers. Rates are mid-market — the midpoint between bid and ask. Real bank or credit card rates will differ (typically 1–3% worse for consumers).
Is this accurate for bank transfers?
Close, but banks add fees and use a spread. For a $1000 transfer, your bank might apply a rate 2–4% worse than the mid-market rate shown here, plus a fixed fee. For real quotes, check services like Wise, Revolut, or your bank directly.
Why is my currency missing?
We support 170+ actively traded currencies. Some highly volatile currencies (e.g., Venezuelan bolívar, Zimbabwean dollar) may not have reliable daily rates and could be excluded.
Can I use this for crypto?
Non, this tool covers fiat currencies only. For crypto rates, use a dedicated crypto exchange rate API. A toololis crypto converter may come later.
Are my conversions private?
The amount you type stays in your browser. Only the currency pair (e.g., USD→EUR) is sent to the rate API — no amounts, no identifiers. Rates are cached locally after first fetch.

À retenir

  • Currency Converter is a free, browser-based finance tool — live exchange rates for 170+ currencies.
  • Non signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Currency Converter

  1. Open the tool: Launch Currency Converter on Outilolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Currency Converter — Quick Facts

Prix
Gratuit — sans limites, sans filigrane, sans paywall
Confidentialité
100% dans le navigateur — aucune donnée n’est envoyée à un serveur
Plateforme
Tout navigateur moderne — desktop, tablette ou mobile
Catégorie
Finance Outils on Outilolis
Hors ligne
Works offline after first visit (Progressive Web App)
CaractéristiqueDétails
OutilCurrency Converter
CatégorieFinance
Inscription requiseNon
Téléversement de fichierAucun — traité dans le navigateur
Compatible mobileEntièrement adaptatif
CoûtGratuit pour toujours

Why Use Currency Converter?

You should try Currency Converter for a quick, private way to live exchange rates for 170+ currencies. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

You might also like

Time-Money Converter

Stop counting dollars — count life hours

Open

Real Purchasing Power Converter

Beyond exchange rates — what $1 actually buys

Open

Currency Real Coût (Wise vs Revolut vs Bank)

Compare real fees, not just rates

Open
🔒
100% Confidentialité. Cet outil fonctionne entièrement dans votre navigateur. Vos données ne sont jamais envoyées à un serveur.