Free website tools and mini-calculators
Instant lookups and deterministic buyer/seller calculators. Start with the free tools, then save and track your results in an account. When you're ready for the full picture, get a free AI-narrated valuation.
Domain lookup tools
- Domain ageDomain Age Checker
Find out exactly how old any domain is, with the registration date and registrar — free, instant, no signup.
Try /age/google.com → - AuthorityDomain Authority Checker
Check a free 0–10 authority score for any domain (OpenPageRank) — instant, no signup, no credit card.
Try /authority/google.com → - PageSpeedPageSpeed Checker
Google PageSpeed Insights scores — performance, accessibility, best practices, SEO — for any URL.
Try /pagespeed/google.com → - HeadersHTTP Headers Checker
Inspect a site's HTTP response headers — server software, security headers, caching, and more.
Try /headers/google.com → - PrivacyPrivacy Compliance Scorecard
Check a site's surface privacy hygiene — privacy policy, cookie consent, third-party trackers, and transport security. Free, instant, not legal advice.
Try /privacy-scorecard/google.com →
Deterministic mini-calculators
- Multiple rangeWebsite Multiple Calculator
Turn monthly profit and category into a deterministic valuation-multiple range.
Open calculator → - SDE add-backsSDE Add-Back Calculator
Normalize seller discretionary earnings from revenue, operating costs, owner salary, and one-offs.
Open calculator → - ROI paybackBuyer ROI / Payback Calculator
Estimate months to recoup and simple annual ROI from asking price and monthly profit.
Open calculator → - Risk liteBacklink-Toxicity Quick Check
Deterministic risk-lite band from domain-shape signals until provider-backed checks are available in account flows.
Open calculator → - Traffic revenueTraffic → Revenue Estimator
Convert visits and category into a proxy monthly revenue range using deterministic category bands.
Open calculator → - Escrow feeEscrow Fee Calculator
Estimate an Escrow.com-style fee band from sale price using a deterministic public-fee approximation.
Open calculator → - Niche benchmarkNiche Multiple Benchmark Lookup
Look up the current deterministic median multiple band for a category from RSW's sold-comps calibration.
Open calculator → - Red flagsDeal Red-Flag Scanner
Run a deterministic checklist against URL and deal facts to surface buyer diligence flags.
Open calculator →
Want a real number, not just one signal?
These tools give one fact each or a deterministic estimate. For a credible value range, an AI-written Valuation Memo, and a Value-Gap Roadmap, run the full valuation — also free.