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Building CalcNest: A Free, Privacy-Focused Financial Calculator Suite for India & USA

When dealing with daily financial calculations—like planning mutual fund SIPs, estimating loan EMIs, or figuring out the take-home salary after taxes—most online tools are cluttered with intrusive ads, paywalls, or force

When dealing with daily financial calculations—like planning mutual fund SIPs, estimating loan EMIs, or figuring out the take-home salary after taxes—most online tools are cluttered with intrusive ads, paywalls, or forced login popups.

To solve this, I built CalcNest: a clean, client-side financial computation suite designed with both Indian and US fiscal models in mind.

🌟 Core Utilities Built:

  • SIP & Step-Up Calculator: Accurately models compound growth milestones for equity investments.
  • Loan EMI Calculator: Visualizes amortized debt schedules and principal vs interest components.
  • Salary & In-Hand Estimator: Breaks down gross CTC into monthly take-home pay with deductions.
  • New vs Old Tax Regime Analyzer: Compares tax liabilities based on the latest regional slabs.
  • Everyday Math & Health Utilities: Instant GST/Sales tax, BMI, and percentage change computations.

🔒 100% Privacy by Design

Every computation runs locally in your web browser via optimized JavaScript. No inputs are stored or transmitted to external servers.

Check it out live here: https://calcnest.blog/

Feedback, feature suggestions, and critiques are welcome!

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