NexMinds is a free collection of 200+ calculators and converters for finance, developers, writing, units, health, marketing, and design. Everything runs entirely in your browser, so nothing you type is uploaded. No sign-up, no app to install.
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Maker
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Hi everyone, maker here.
I kept bouncing between a dozen different sites for simple things: a tip split, a JSON formatter, a BMI number, a CSS gradient. Most of them are slow, buried in ads, or want you to sign up just to do basic math.
So I built NexMinds: one place with 200+ small tools across finance, developer, text, converters, health, marketing, lifestyle, and design. Two things I cared about most:
1. Privacy. Every tool runs 100% client-side. Whatever you type never leaves your browser, there is no backend storing your inputs.
2. Speed and simplicity. Plain static pages, no login, no install. Open the tool, use it, done.
A few favorites to try: the bi-weekly paycheck estimator, the JSON formatter, the CSS gradient generator, and the tip-and-split calculator.
It is genuinely free. I would love feedback on which tools are most useful and what you wish existed. What tool should I build next?
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How do you handle updates when new formulas or standards come out, like revised tax brackets or currency exchange rates, since everything runs locally?
How do you handle updates when new formulas or standards come out, like revised tax brackets or currency exchange rates, since everything runs locally?