Fast everyday tools. Zero friction.
Privacy-friendly calculators & converters that run locally whenever possible.
Popular Today
BMI Calculator
PopularCalculate BMI with health tips, ideal weight range, and category chart.
healthInvoice Generator
PopularCreate invoices and download as PDF (local).
financeutilityLoan / EMI Calculator
PopularMonthly payment, interest & amortization insights.
financeQR Code Generator
PopularCreate custom QR codes for links & text.
utilitytextTip Calculator
PopularSplit bills and calculate tips per person.
utilityfinanceGST Calculator
PopularCalculate GST from exclusive or inclusive price.
financeutility
Frequently Asked Questions
Is this free?
Yes, all tools are free to use. Ads (when enabled) help support the site.Can I suggest a tool?
Absolutely—use the contact form or email hello@insinextools.com.How accurate are results?
Calculators use standard formulas & APIs; results are for educational purposes only.