Financial planning requires accurate, trustworthy tools — and privacy is non-negotiable when dealing with salary, tax, and investment data. CodelithLabs Finance Tools provide comprehensive calculators designed for Indian tax regulations, banking products, and investment instruments, while also serving global users with universal financial calculations.

Our Income Tax Calculator supports both Old and New tax regimes under Indian tax law, factoring in standard deductions, Section 80C/80D investments, HRA exemptions, and surcharge calculations. The CTC-to-In-Hand Salary Calculator breaks down your cost-to-company into basic salary, HRA, PF contribution, gratuity, and net take-home — essential during job offer negotiations. The Compound Interest Calculator visualizes exponential growth with interactive charts showing year-by-year accumulation.

For business owners, the Profit Margin Calculator computes gross margin, operating margin, and net margin from revenue and cost inputs. The Break-Even Calculator determines the sales volume needed to cover fixed and variable costs. The Invoice Generator creates professional PDF invoices with GST calculations, line items, and payment terms. The Expense Splitter handles group expense division with support for unequal splits, tip calculation, and per-person breakdowns — perfect for team dinners and group trips. All financial data is processed entirely in your browser and never stored or transmitted.