Instant Financial Calculators. Zero Sign-Up Required.
High-precision, privacy-preserving financial utilities built for creators, indie founders, and multi-asset investors. Run mathematical models in your browser with 100% local calculation.
Net Worth Calculator
Calculate your true net worth across cash, stocks, crypto portfolios, and illiquid holdings offset by credit cards and loans. Dynamic asset allocation charting in real time.
Creator Revenue Calculator
Blend fragmented earnings from Stripe subscriptions, Gumroad digital goods, and RevenueCat app in-apps. Calculate your true annualized run-rate and survival runway months.
Subscription Bleed Calculator
Audit recurring SaaS subscriptions, forgotten trials, and streaming costs. Visualizes cumulative bleed over 1, 3, and 5-year horizons and calculates lost S&P 500 index compounding.
Platform Fee & Take-Home Calculator
Discover your actual take-home revenue after Stripe payment processing (2.9% + $0.30), Apple App Store cuts (15% or 30%), and Gumroad platform fees. Uncover true creator margins.
Why run your numbers on YoFi tools?
Most web calculators capture your email address, upload your financial figures to remote tracking pipelines, and sell your data to financial marketers. YoFi takes the exact opposite approach.
100% Client-Side Math
Every formula executes directly in your browser's JavaScript engine. Your revenue, subscriptions, and portfolio numbers never touch our servers.
Instant, Reactive Inputs
Slide parameters, tweak fees, and witness immediate compounding curves and debt-to-asset changes without page refreshes or delays.
Direct Mobile Upgrade
Tired of recalculating monthly? Download YoFi for Android to sync Stripe, Gumroad, and crypto balances automatically in an encrypted local database.
Automate these calculations permanently on your phone.
YoFi aggregates your Stripe, Gumroad, RevenueCat, bank balances, and crypto holdings into an offline-first encrypted dashboard. Never calculate manually again.