IndieFounder toolkit

Free tools for indie founders

Make better startup decisions with simple, transparent calculators for SaaS revenue, cash runway, and pricing. Everything runs in your browser — your numbers are not sent to a server.

Creator toolkit

X share card generator

Create a shareable PNG for X follower milestones, 30-day growth, creator stats, monthly Wrapped reports, and achievement badges.

  • Download a ready-to-share PNG
  • Choose themes, formats, and profile photo
  • No sign-up; works in your browser
Create a share card
Revenue metrics

SaaS MRR & ARR calculator

Estimate monthly recurring revenue, annual recurring revenue, churned MRR, and net new MRR from a few inputs.

  • MRR and ARR estimates
  • Monthly churn impact
  • Net new recurring revenue
Calculate MRR
Cash planning

Startup runway calculator

Understand how long your cash may last based on current cash, monthly income, and operating expenses.

  • Monthly net burn
  • Estimated runway in months
  • Revenue needed to break even
Calculate runway
Unit economics

SaaS pricing calculator

Work backward from customer cost and a target gross margin to estimate a baseline subscription price.

  • Target-margin price
  • Gross profit per customer
  • Compare with current price
Calculate pricing

More free tools

Launch checklist · MRR calculator · Pricing calculator · Runway calculator · OG image generator

How to use these startup calculators

Start with the numbers you can measure today, then test a conservative and an optimistic scenario. The results are planning estimates, not accounting, tax, investment, or legal advice. Keep your assumptions consistent when comparing months.

More resources for building independently

Pair these calculators with our founder and developer roadmaps, practical startup articles, and indie product directory.