Price Multiplier & Markup Tool – Live Price Calculator
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Description
Increase or decrease all prices on any website. Great for dropshipping, reselling, calculating taxes, fees, and conscious shopping. 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