Fast, no-signup calculators and generators for the numbers and busywork every founder runs into. Everything runs in your browser.
Margin, markup and profit from cost and price.
Open toolReturn on investment % and net profit.
Open toolLTV from ARPU, margin and churn.
Open toolCAC and payback period from spend.
Open toolChurn %, retention % and avg lifetime.
Open toolNormalize plans into MRR and ARR.
Open toolNet burn and months of runway.
Open toolUnits and revenue to break even.
Open toolPercent of, percent change and ratio.
Open toolMonthly payment, interest, total cost.
Open toolTip, total and split per person.
Open toolTax amount and gross total.
Open toolWords, characters, reading time — live.
Open toolCharacters with/without spaces, live.
Open toolSwitch text between any case.
Open toolBeautify, minify and validate JSON.
Open toolText ⇄ Base64, both directions.
Open toolGenerate v4 UUIDs in bulk.
Open toolStrong, random passwords, in-browser.
Open tool