// the_lab · v1.0 · all tools free, forever

Free tools that
actually do something.

Instant-feedback calculators and tests for the people who run companies. No signup. No trial. No "unlock with email." Use them, share them, go build.

// for_founders
$
AI Employee vs Human Hire Calculator
Real US salary data, role by role. See what a human costs (loaded with benefits, onboarding, management) vs swapping in an AI employee. Hard numbers in 5 seconds.
// 12 roles · + 2026 article Open Tool →
// for_anyone
%
Money Personality Quiz
5 questions, 60 seconds. Find out if you're a Saver, Spender, Climber, Investor, or Avoider — and the one financial move each archetype has been ignoring.
// 5 archetypes · + deep-dive Open Tool →
// for_marketers
↻
Headline Score Checker
Paste any headline — blog, email, ad, social. Get a 0-100 score across specificity, curiosity, power, length, and reading ease. Plus the 1-3 changes that move the score.
// 5 dimensions · + 11 formulas Open Tool →
// for_operators
⊕
AI Stack Audit
Pick the AI tools you actually use + your work persona. Get coverage %, overlap %, monthly cost, and tailored recommendations across PRMPTLRD, MoneySmith, and OVRLRD.
// 20 tools · 6 personas Open Tool →

Built by the team behind these.

The tools are free because we run real products that need real users — and these tools showcase what we do well.

PRMPTLRD
// ai_employees · one-time pricing
300+ pre-built AI employees across 20 departments. Hire once, use forever. From $97.
MoneySmith
// ai_wealth_coach · monthly
Money Compass blueprint + 24/7 AI wealth coach trained on your specific situation. From $49/mo.
OVRLRD
// ai_copywriting
Generate 50 high-conversion variants of any headline, email, or ad in 30 seconds. Built for marketers.
opai.one · over_powered_ai · © 2026