{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-10-20T13:00:48.506Z","discovery":{"catalog":"https://toptool.io/free-tools/tools.json","llmsTxt":"https://toptool.io/free-tools/llms.txt","sitemap":"https://toptool.io/free-tools/sitemap.xml"},"relatedTools":[{"slug":"vat-tax-calculator","name":"VAT / Sales Tax Calculator","url":"https://toptool.io/free-tools/vat-tax-calculator"},{"slug":"percentage-calculator","name":"Percentage Calculator","url":"https://toptool.io/free-tools/percentage-calculator"},{"slug":"date-difference","name":"Date Difference Calculator","url":"https://toptool.io/free-tools/date-difference"},{"slug":"tip-calculator","name":"Tip Calculator","url":"https://toptool.io/free-tools/tip-calculator"},{"slug":"compound-interest-calculator","name":"Compound Interest Calculator","url":"https://toptool.io/free-tools/compound-interest-calculator"},{"slug":"fuel-cost-calculator","name":"Fuel Cost Calculator","url":"https://toptool.io/free-tools/fuel-cost-calculator"},{"slug":"gpa-calculator","name":"GPA Calculator","url":"https://toptool.io/free-tools/gpa-calculator"},{"slug":"huawei-unlock-code-calculator","name":"Huawei Unlock Code Calculator","url":"https://toptool.io/free-tools/huawei-unlock-code-calculator"}],"kind":"utility","slug":"discount-calculator","name":"Discount Calculator","description":"Compute the sale price after a percent discount — supports stacked discounts and an optional sales-tax / VAT addition.","longDescription":"Drop in a price, a discount percent, optional additional discounts (coupons or staff/promo stacking), and an optional sales-tax / VAT rate. We compute the discounted price, the savings amount, the effective savings percent, and the final price with tax applied to the discounted amount. Stacked discounts apply sequentially — '20% then 10%' is NOT 30%, it's 28% (because the 10% comes off the already-reduced price). Runs entirely in your browser.","category":"calc","categoryName":"Calculators","keywords":["discount calculator","percent off calculator","sale price calculator","stacked discount calculator","double discount calculator","coupon stacking calculator","savings calculator","what is x% off","calculate discount percentage","after-tax discount calculator","promo code calculator","shopping calculator","price after discount","effective discount calculator","compound discount"],"badge":"Calculator","runsOn":"client","url":"https://toptool.io/free-tools/discount-calculator","inputs":[{"type":"number","key":"originalPrice","label":"Original price","defaultValue":100,"min":0,"step":0.01},{"type":"number","key":"discountPercent","label":"Primary discount (%)","defaultValue":20,"min":0,"max":100,"step":0.5},{"type":"text","key":"stackedDiscounts","label":"Stacked discounts (optional)","defaultValue":"","placeholder":"Comma-separated, e.g. '10, 5'","help":"Applied sequentially after the primary discount."},{"type":"number","key":"taxPercent","label":"Tax / VAT (%)","defaultValue":0,"min":0,"max":100,"step":0.5}],"outputs":[{"key":"discountedPrice","label":"Price after discounts"},{"key":"totalSavings","label":"Total savings"},{"key":"savingsPercent","label":"Effective savings"},{"key":"finalPriceWithTax","label":"Final price with tax"},{"key":"breakdown","label":"Step-by-step breakdown","multiline":true}],"invocation":{"webUi":"https://toptool.io/free-tools/discount-calculator","api":null,"notes":"Use the web UI to enter inputs and view the result; there is no public execution API."}}