Calculate taxes, generate invoices, and manage your freelance finances — all for free, no signup required.
Calculate income tax for freelancers under 44ADA. Compare new vs old regime, get advance tax schedule.
Add or remove GST from any amount. Get CGST, SGST, IGST breakdown instantly.
Calculate TDS on professional fees (194J), contractor payments (194C), rent & more.
Create professional GST-compliant invoices for free. Perfect for freelancers & consultants.
Convert your monthly or annual salary to hourly rate. Perfect for freelancers comparing rates.
Calculate your ideal freelance hourly rate based on expenses, taxes, and desired income.
Calculate monthly EMI for home loan, car loan, personal loan with amortization schedule.
Calculate mutual fund SIP returns with step-up option. See how your investment grows.
Calculate quarterly advance tax installments and due dates for FY 2025-26.
Calculate House Rent Allowance tax exemption under Section 10(13A).
Calculate your gratuity amount based on years of service and last drawn salary.
Extract salary details from Form 16 for easy ITR filing. Copy values directly.
Compare the best credit cards for self-employed. Lifetime free, no income proof, cashback & travel rewards.
Calculate Public Provident Fund maturity amount, interest earned & tax savings under Section 80C.
Calculate FD maturity with bank-wise interest rates. Compare SBI, HDFC, ICICI, Axis Bank returns.
Calculate take-home salary from CTC. Includes PF, tax, HRA breakup for new & old regime.
Calculate National Pension System returns, monthly pension & extra ₹50K tax saving under 80CCD(1B).
Calculate compound interest with different frequencies. Compare with simple interest. Rule of 72.
Calculate mutual fund lumpsum returns with LTCG tax. Compare across fund categories.
Generate rent receipts for HRA exemption. Print all 12 months at once. Free, no signup.
5-in-1: What %, % of, % change, tip calculator, and discount calculator.
Calculate profit margin, markup %, and selling price. Essential for pricing freelance services.
Sign up for GigBooks to track income, send invoices, get payment reminders, and use our AI tax assistant.
Get Started FreeGigBooks offers a comprehensive suite of free online finance calculators and tools designed specifically for Indian freelancers, consultants, content creators, and self-employed professionals. All tools are free to use with no signup required.
Our Income Tax Calculator supports both new and old tax regimes for FY 2025-26, with built-in Section 44ADA presumptive taxation for freelancers. The GST Calculator lets you add or remove GST from any amount with CGST, SGST, and IGST breakdowns. The TDS Calculator covers all major TDS sections including 194J (professional fees), 194C (contractor payments), and 194H (commission). The Advance Tax Calculator generates your quarterly installment schedule with due dates and penalty calculations.
Create professional, GST-compliant invoices for free. Our invoice generator includes automatic CGST/SGST/IGST calculation, supports interstate supply, and generates invoices with all mandatory fields required under GST law including GSTIN, HSN/SAC codes, and place of supply.
Plan your finances with our EMI Calculator for home, car, personal, and education loans with year-wise amortization schedules. The SIP Calculator helps you estimate mutual fund returns with step-up options. Our Freelance Rate Calculator helps you determine your ideal hourly rate based on your expenses, taxes, and target income. The HRA Exemption Calculator and Gratuity Calculator help salaried professionals who also freelance on the side.