Free Tool Hub

Every tool a
founder needs.

From SaaS metrics to dev utilities — 1,000 tools, no signup, all free.

85free tools live

Nosignup required

100%runs in browser

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1,000+

tools planned

live tools now

cost, forever

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14,000+ calculations run across all tools this month

4 Categories LiveMore arriving soon

tools

Live Now

SaaS Tools

47 free calculators covering every metric a SaaS founder needs — from burn rate to customer success capacity planning.

Burn RateMRR GrowthLTV:CACK-FactorVC Dilution+6 more

Explore SaaS Tools→

Live Now

Marketing Tools

17 free calculators for performance marketers — from TikTok Ads CPM benchmarks to ROAS grading, ABM tier economics, and SEO forecasting.

ROASAttributionSEO ForecastA/B TestBudget Optimizer+4 more

Explore Marketing Tools→

Developer / Code

UUID generators, regex testers, CSS tools, JWT debuggers & more.

100 tools plannedComing Soon

Finance

Compound interest calculator, investment tools, FIRE planner & more.

20 tools liveLive

Health & Fitness

BMI, macros, heart rate zones, workout tools & more.

60 tools plannedComing Soon

Date & Time

Age calculators, countdowns, timezone converters & more.

40 tools plannedComing Soon

Productivity

Pomodoro timers, note tools, planners & focus apps.

60 tools plannedComing Soon

Fun & Games

Games, random generators, quizzes & entertainment tools.

80 tools plannedComing Soon

Runs 100% in your browser

No data leaves your device. No servers, no accounts, no tracking.

Shareable results

Send a URL, export a PNG, or download CSV — results worth sharing.

Built for founders

Used to pitch investors, track metrics, and make strategic decisions.

More tools in progress

Growing to 1,000+ tools

Developer utilities, finance calculators, marketing tools, and much more — all free, all in your browser.

Start with SaaS Tools →