Free Online Calculators, AI Tools, Converters & Browser Games — UpTools
Welcome to UpTools (uptools.in), your fast, privacy-first platform featuring 570+ free online calculators, financial and tax estimators, unit and currency converters, AI writing utilities, developer formatters, interactive AI & DSA learning modules, and 50 instant browser games. Every tool runs directly in your web browser with zero registration, no email sign-up, and instant results on mobile and desktop.
Most Popular Finance & Tax Calculators
Plan your taxes, investments, loans, and daily financial decisions with accurate formulas updated for 2026 rules and real-time market feeds:
- Income Tax Calculator India — Compare Old vs New Tax Regime slabs, standard deductions, and rebates instantly.
- GST Calculator India — Calculate GST-inclusive and GST-exclusive amounts across 5%, 12%, 18%, and 28% with CGST, SGST, and IGST splits.
- Loan & EMI Calculator — Compute monthly EMI, total interest payable, and amortization schedules for home, car, and personal loans.
- SIP Calculator — Project mutual fund wealth growth, systematic investment returns, and compounding over time.
- PPF Calculator — Estimate Public Provident Fund maturity value and tax-free interest year by year.
- FD Calculator — Calculate Fixed Deposit maturity amounts with quarterly or monthly compounding.
- CTC to In-Hand Salary Calculator — Break down CTC, basic pay, HRA, PF deductions, and monthly take-home pay.
- Live Gold Rate India — Check live 24K, 22K, and 18K gold prices per gram and per 10g across major Indian cities.
- Indian Stock Market Live — Track Nifty 50, Sensex, Bank Nifty, and top NSE stock movers in real time.
- Live Currency Converter — Convert USD, INR, EUR, GBP, AED, CAD, and 150+ world currencies with live exchange rates.
Developer, Security, Health & AI Productivity Tools
Streamline coding, document formatting, cybersecurity auditing, and everyday calculations with zero server uploads:
- JSON Formatter & Validator — Prettify, minify, validate, and inspect JSON payloads locally in your browser.
- Secure Password Generator — Generate high-entropy cryptographic passwords using the Web Crypto API.
- QR Code Generator — Create custom downloadable QR codes for URLs, WiFi, UPI, and text.
- AI Blog & Article Generator — Draft structured articles, outlines, and marketing copy in seconds.
- ATS Resume Builder — Build clean, recruiter-ready resumes and export to PDF for free.
- BMI Calculator — Check Body Mass Index, healthy weight ranges, and health metrics.
- Exact Age Calculator — Calculate exact age in years, months, days, and upcoming birthdays.
- Percentage Calculator — Solve percentage increase, decrease, discounts, and marks instantly.
- PAN Card Validator & Bank IFSC Finder — Verify Indian banking and tax identifiers.
Free Browser Games & Interactive Learning Hubs
Take a quick mental break with 50 zero-install arcade and puzzle games, or master AI and algorithms through live animations: