Clacify — 130+ Free Online Calculators & Tools

Free, privacy-first calculators and tools for finance, PDF, health and productivity — EMI, SIP, Income Tax FY 2026-27, GST, BMI, JPG to PDF, and more. No login, no payment, nothing uploaded.

Popular Tools

• GST Invoice Generator — Generate GST-compliant invoices with CGST/SGST/IGST and download as PDF
• EPF Calculator — Calculate EPF maturity amount, monthly contributions, and pension estimate
• BMI Calculator — Calculate Body Mass Index with category
• Unit Converter — Convert length, weight, temperature & more
• JPG to PDF — Convert JPG/PNG images to PDF instantly
• Word Counter — Count words, characters, sentences, reading time
• Scientific Calculator — Scientific calculator with trig, log and power functions
• Calorie Calculator — Calculate daily calorie needs using BMR and TDEE
• EMI Calculator — Calculate loan EMI for home, car & personal loans
• Income Tax Calculator — Compare Old vs New regime tax — FY 2025-26 & FY 2026-27
• GST Calculator — Add or remove GST from any amount instantly
• SIP Calculator — Calculate mutual fund SIP returns and future value
• Salary Calculator — Convert CTC to in-hand monthly salary
• Compound Interest — Calculate compound interest on investments
• FD Calculator — Calculate fixed deposit returns with TDS
• Merge PDF — Combine multiple PDF files into one
• Compress PDF — Reduce PDF file size with zero quality loss
• Word to PDF — Convert Word DOCX documents to PDF instantly in your browser
• Date Calculator — Add or subtract days from dates and find date differences
• Discount Calculator — Calculate sale price and savings from any discount
• Tip Calculator — Calculate tip and split restaurant bill equally
• Sleep Calculator — Find best bedtimes based on 90-min sleep cycles
• PPF Calculator — Calculate Public Provident Fund maturity amount
• HRA Calculator — Calculate HRA tax exemption under Indian income tax
• JSON to CSV — Convert JSON array to CSV spreadsheet format
• Case Converter — Convert text to UPPER, lower, Title, camelCase
• Morse Code Translator — Translate text to Morse code and decode Morse back to text
• CAGR Calculator — Calculate Compound Annual Growth Rate of investments
• Gratuity Calculator — Calculate gratuity amount as per Gratuity Act
• Inflation Calculator — Calculate purchasing power impact of inflation over time

From the Blog

• What Salary Makes You Rich in India? Income Percentile Report (2026)
• How to Calculate EMI: Complete Formula + Step-by-Step Examples
• Complete GST Invoice Guide: Format, Requirements, Examples (2024)
• Income Tax Calculator India FY 2025-26: New Slabs, ₹12 Lakh Rebate & Examples
• Old vs New Tax Regime: Which Saves You More in FY 2025-26?
• How Much SIP Do You Need to Reach ₹1 Crore?
• PPF vs NPS vs EPF: Which Retirement Option Is Best?
• How Much Home Loan Can You Actually Afford?
• CTC vs In-Hand Salary: Why ₹12 LPA Feels Like ₹88,000/Month
• FD vs PPF vs Debt Fund: Where Should You Park Safe Money?