Tools
Quick, no-nonsense calculators.
Available tools
Profit Calculator
Compute profit, margin & break-even in one step.
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Percentage Calculator
Inclusive & exclusive percent with detailed breakdowns.
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Percentage Difference Calculator
Find how different two numbers are—returns the symmetric, directionless percentage difference.
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Candle Calculator
Detailed candle making guide with print option for test purpose.
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Amazon Keyword Generator
It optimizes discoverability by generating unique, byte-limited generic keywords that are fully compliant with Amazon SEO guidelines.
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