Free Online Tools for
India, Australia & USA

Calculate your current attendance percentage, how many classes you can still skip, and get a week-by-week bunk planner for your semester.

Convert between Indian (lakh, crore) and international (million, billion) number formats instantly. Includes live currency conversion and words output.

Generate GST-compliant invoices instantly — CGST/SGST/IGST auto-split, GSTIN validation, HSN code lookup, and PDF download. Free, no account needed.

The only tool that calculates both GST (18%) and TDS (10%) together to show your actual net income as an Indian freelancer. Step-by-step breakdown.

Project your superannuation balance at retirement with compound growth charts. Compare super fund fees and see the true cost of high-fee funds over 20 years.

Calculate PAYG tax to withhold from employee wages using current ATO 2025–26 tax tables. Generate PAYG Payment Summary PDF for employees.

Estimate tax depreciation deductions for Australian investment properties. Covers Div 43 (building allowance) and Div 40 (plant and equipment). ATO compliant.

Generate professional salary slips online for free. Includes HRA, DA, PF, Professional Tax (all states), ESI, and TDS. Download PDF payslip instantly.

Calculate gratuity amount as per Payment of Gratuity Act 1972. Instant result with resignation date optimizer, tax exemption, and Form F generator.

Calculate notice period days, buyout amount, and last working day. Generate resignation letter and notice waiver request instantly.

Calculate your EPF/PF balance, interest earned, and withdrawal eligibility. Includes VPF comparison and pension (EPS) projection.

Generate a legally formatted rent agreement for any Indian state. Stamp duty auto-calculated. Available in English + Hindi. Free PDF download.

Generate Fair Work Act 2024 compliant casual employment contracts for Australian businesses. Covers casual conversion rights, minimum engagement, and casual loading (25%).

Generate mutual and one-way NDAs under Indian jurisdiction with international client guidance. Bilingual English/Hindi output. Free PDF download, digital signature ready.

Weight-based dosing, IV drip rates, and reconstitution calculations for nurses. Drug library with 200+ medications, pediatric dosing, and renal adjustment.

Interactive APGAR newborn assessment tool with built-in timer, auto-generated charting documentation, and clinical interpretation. Used by OB nurses and midwives.

Calculate sample size for clinical trials and research studies. Two-proportion z-test, t-test, chi-square. Generate APA citation for methods section.

Generate a sector-specific compliance checklist for India's Digital Personal Data Protection Act 2023. Covers all obligations for Data Fiduciaries and Significant Data Fiduciaries.

Interactive WCAG 2.2 compliance checklist with pass/fail tracking, remediation roadmap, and PDF export. ADA, EU Accessibility Act, and Australian DDA compliant.

Annual HIPAA risk assessment checklist generator simulating OCR audit protocol. Generates gap analysis, BAA templates, and remediation priorities for healthcare organizations.

Count tokens and estimate API costs for Claude 3.5 Sonnet, GPT-4o, and Gemini 1.5 Pro. Multi-model comparison with optimization tips. Updated with latest pricing.

Visual cron expression builder with timezone-aware next-run calculator, human-readable descriptions, and Docker/Kubernetes YAML generator.

Calculate your business's GHG emissions across Scope 1, 2, and 3 using GHG Protocol methodology. Get industry benchmarks and a reduction roadmap.

Calculate your sustainable freelance day rate and hourly rate accounting for taxes, super/PF, unpaid time, and expenses. Country-specific for India, Australia, USA, UK.