WiserFool.in builds free, fast, privacy-friendly web tools for Indian users — calculators and utilities that work instantly, with no sign-up, no spam and no dark patterns.
Our principles
- India-first: rupee formatting, Indian tax slabs, current GST rates, and the deposit rules Indian banks actually follow.
- Private by design: every tool runs entirely in your browser. What you type never leaves your device.
- Accurate & current: rates and rules are reviewed against official sources and updated when budgets or GST Council decisions change them.
- Fast: no heavy frameworks, no pop-ups. Pages load in well under a second even on slow connections.
Who's behind this
WiserFool.in is part of WiserFool, the independent software studio of Khanjan Kavani — architect, builder and developer from Surat, India. WiserFool is a registered trademark in India. The studio also builds custom business software; see wiserfool.net.
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