Is This Sale Actually a Good Deal?

Use "Calculate % off" mode to verify if a "sale" is genuinely discounted.

Není nutné přihlášení

Original price

Discount (%)

Currency

You pay

$75.00

You save

$25.00

Discount

25.0%

Buy Decision tips

🤔

For "Was $100, now $80!" — is that really a deal? Use the calculate mode: 20% off. Compare to typical sale percentages in that category.

💡

For Black Friday and Prime Day, retailers sometimes inflate "original" prices to make discounts look bigger. Calculate against MSRP to verify.

🎯

For "limited time" offers, the calculated % off helps you decide if it's worth rushing or you can wait for a better sale.

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Enter your data into the tool above. Everything stays local to your browser.

Zpracujte

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

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Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Zcela zdarma — nikdy žádné skryté náklady

✓Není potřeba účet, e-mail ani přihlášení

✓Soubory nikdy neopustí vaše zařízení

✓Absolutně žádná omezení velikosti souborů

✓Žádné vodoznaky na žádném výstupu

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When you apply a coupon at checkout, calculate the