No paywall — runs in your browser where possible

Free tools for work & shipping

Calculators, converters, PDF helpers, and AI-powered assistants. Search below or browse by category.

Showing 68 of 68 tools

Finance & tax

Finance & taxGST calculator (India)Add or remove Indian GST with common slabs (5%, 12%, 18%, 28%) and CGST/SGST split.Open tool →
Finance & taxSIP & mutual fund returnsEstimate future value and XIRR-style return for monthly SIPs and lumpsums.Open tool →
Finance & taxSalary breakup & tax estimatorRough breakup of CTC, HRA, and FY 2025–26 new-regime tax (simplified slabs).Open tool →
Finance & taxCredit card interestApproximate interest from APR, balance, and payment (revolving balance model).Open tool →
Finance & taxEMI & amortization scheduleHome, car, or personal loan EMI with principal–interest breakup and CSV export.Open tool →
Finance & taxFD & RD calculator (India)Fixed deposit with quarterly compounding and recurring deposit estimate + TDS note.Open tool →
Finance & taxGratuity estimator (India)Payment of Gratuity Act style estimate (15/26 rule) with eligibility notes.Open tool →
Finance & taxGoal SIP calculatorHow much monthly SIP to reach a target corpus (constant return assumption).Open tool →
Finance & taxHRA exemption helper (India)Old-regime style HRA exemption vs rent and metro/non-metro salary share.Open tool →
Finance & taxInvoice / quote + GST (PDF)Line items, GST%, totals, and download a simple PDF (browser-only).Open tool →

Developer

Files & text

Growth & experiments

AI assistants