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Developer builds 434 free browser-based tools to replace ad-heavy, login-gated sites

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A developer launched The Calcu, a free platform offering 434 tools spanning calculators, converters, formatters, and validators, after growing frustrated with cluttered, ad-heavy alternatives. The platform covers categories including finance, health, math, and developer utilities, and requires no account or login to use. All calculations run entirely in the browser, meaning no data is sent to servers, which keeps the service free to operate at scale and ensures user privacy. URLs automatically encode calculation inputs, allowing users to bookmark or share results without any extra steps. The site went live about a month ago at thecalcu.com, and the developer is actively seeking feedback on missing tools or inaccurate results.

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Developer builds 434 free browser-based tools to replace ad-heavy, login-gated sites · ShortSingh