LotofTools

1000tools solves a small but painful problem: founders, marketers, and operators constantly waste time rebuilding the same spreadsheets to answer routine business questions. What's my burn rate? Is my LTV:CAC healthy? Will this ad campaign pay back? How much equity will I lose in a Series A? Instead of rebuilding the formula in Google Sheets or signing up for a $79/month SaaS, users get instant, purpose-built calculators for every common business question. 1000tools is a growing library of 1000+ specialized calculators covering: - SaaS metrics — burn rate, MRR growth, LTV:CAC, CAC payback, runway, churn, VC dilution, sales commission - Marketing — ROAS, attribution (6 models), A/B tests, campaign payback, social media growth, headline analyzer - Finance — rent vs. buy, financial health score, mortgage amortization - Ecommerce — Amazon FBA fees, Shopify profit margins, break-even, dropshipping How it works: - 100% client-side — every calculation runs in your browser, nothing sent to a server - Zero signup, zero paywall, zero upsell - Real-time — type a number, see the result update instantly - Visual reports — charts, A-F grade cards, scenario comparisons, what-if sliders - Shareable — every calculation generates a unique URL to send your team - PNG & CSV export for decks and reports Built for first-time founders pitching investors, solo marketers sanity-checking a campaign, operators modeling runway before a board meeting, and students learning how these metrics actually work. No accounts, no analytics gate, no "Sign in with Google to continue." Just the calculator you need, open to everyone.