Multiplicateur de prix & majoration – Calculateur en direct

Augmentez ou réduisez tous les prix sur n'importe quel site. Idéal pour le dropshipping, la revente, taxes, frais et achats malins.

Instantly recalculate every price on any webpage — add a markup or apply a discount in one click. Perfect for resellers, dropshippers, importers, and anyone who wants to see the "real" cost of something after fees, duties, or margins. ───────────────────────────────────── HOW IT WORKS ───────────────────────────────────── Open the popup, choose Markup (+%) or Discount (−%), set your percentage — and all visible prices on the page update in real time. Turn it off and the original prices come back instantly. ───────────────────────────────────── KEY FEATURES ───────────────────────────────────── ▸ Set percentage via manual input, slider, ±1 step buttons, or quick presets (5 / 10 / 15 / 25 / 50%) ▸ Independent markup and discount percentages — switch modes without losing your numbers ▸ Live preview in the popup (before/after example price) ▸ Badge on the extension icon shows how many prices were changed on the current tab ───────────────────────────────────── WORKS EVERYWHERE ───────────────────────────────────── ▸ All world currencies: symbols ($ € £ ₽ ¥ ₹ ฿ ₿ ₩ ₴ ₪ ₸…) and all ISO 4217 codes (USD, EUR, GBP, JPY…) ▸ All price formats: $1,234.56 · 1.234,56 € · 1 234,56 ₽ · Rp 15.000 · R$ 50,00 ▸ Dynamic pages: works with infinite scroll, AJAX, and lazy-loaded content via MutationObserver ▸ Shadow DOM support and context-aware detection — finds prices even when the currency is a nearby SVG icon or a separate element ▸ Handles split prices (integer + decimal in separate nodes) — tested on Onliner.by, AliExpress, and similar sites ▸ Ignores phone numbers, SKUs, and bare numbers without a currency symbol Tested on: 100+ sites. ───────────────────────────────────── INTERFACE ───────────────────────────────────── ▸ 13 interface languages: English, Russian, German, French, Spanish, Italian, Korean, Chinese, Hindi, Japanese, Arabic, Portuguese, Ukrainian ▸ Modern dark UI ───────────────────────────────────── PRIVACY ───────────────────────────────────── ▸ No data collection. No network requests. No tracking. ▸ Only permission required: storage (to save your settings locally) ▸ Works entirely in your browser — nothing leaves your device