Corpus Planner: SWP & FIRE SIP

Corpus Planner is a privacy-first retirement corpus calculator, step-up SIP calculator, and systematic withdrawal plan (SWP) simulator designed to help you visualize long-term financial trajectories and achieve Financial Independence Retire Early (FIRE).

Whether you are planning your mutual fund investments or mapping out a sustainable retirement drawdown strategy, Corpus Planner provides precise, inflation-aware simulations.

Key Features:
- Step-Up SIP & Lump Sum Engine: Model multi-year investment growth with custom annual step-up percentages to project your ultimate retirement corpus.
- Post-Tax & Inflation Adjustments: Estimate realistic net wealth with built-in LTCG tax and inflation modeling for accurate mutual fund planning.
- SWP Retirement Simulator: Project post-retirement Systematic Withdrawal Plan (SWP) sustainability, portfolio life, and corpus longevity.
- Executive PDF & CSV Exports: Generate structured financial reports and retirement plans directly on your device.
- 100% Offline & Private: No account required, no ads, and zero data collection. Your financial data stays entirely on your device.