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Calculators
Open tool Date Difference Calculator
Compare dates in calendar units with explicit elapsed or inclusive day counting.
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Calculators
Open tool Pregnancy Due Date Calculator
Estimate an LMP-based due date, gestational age, conception date, and stage.
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Calculators
Open tool Rent vs Buy Break-even Calculator
Estimate the months until buying costs catch up with renting under entered assumptions.
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Calculators
Open tool Subscription Break-even Calculator
Calculate paying subscribers and MRR needed for monthly break-even.
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Legal, Compliance & Policy
Open tool KYC Document Checklist
Create a bounded, browser-local kyc document checklist with visible assumptions, review guidance, and downloadable output.
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Civic & Government
Open tool Tax Document Checklist
Create a bounded, browser-local tax document checklist with clear inputs, guided review, and a practical output.
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PDF & Documents
Open tool PDF Image Inventory
List unique embedded image resources and their usage pages.
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Operations & Infrastructure
Open tool Uptime Percentage Calculator
Create a bounded, browser-local uptime percentage calculator with visible assumptions, review guidance, and downloadable output.
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Real Estate & Property
Open tool Mortgage Document Checklist
Create a bounded, editable mortgage document checklist from supplied property data with transparent assumptions and professional safeguards.
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Calculators
Open tool Age Calculator
Calculate calendar-exact age, total completed days, and the next birthday.
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PDF & Documents
Open tool PDF Deskew Scanned Pages
Straighten tilted scanned pages and download a separate image-backed PDF copy.
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PDF & Documents
Open tool Set PDF Print Margins
Scale complete page content into an equal printable inset while retaining page dimensions.