ApnaETools

Your Hub for Free Online Calculators & Utilities

Web Developers Tools

Image Compressor

Optimize JPG, PNG & WebP images. Reduce file size locally.

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JSON Formatter

Format and validate your JSON data easily and quickly.

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Word Counter

Count words, characters, sentences, and paragraphs instantly.

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Life Hack Tools

AC Tonnage Calculator

Estimate the right air conditioner size (tonnage) for your room.

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Room Lumen Estimator

Calculate the recommended lighting level (lumens) for any room type.

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Age Calculator

Calculate age accurately based on date of birth and a target date.

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BMI Calculator

Calculate your Body Mass Index (BMI) using standard or metric units.

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Discount Calculator

Easily calculate final price after discount and amount saved.

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Unit Converter

Convert between common units for length, weight, volume, and temperature.

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QR Code Generator

Create QR codes for URLs, text, contact info, Wi-Fi, and more, instantly.

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Financial Tools

GST Calculator

Calculate Goods and Services Tax (GST) amount for different tax slabs.

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Bank Loan EMI Calculator

Calculate Equated Monthly Installment (EMI) for loans.

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FD Calculator

Estimate maturity amount and interest earned on Fixed Deposits.

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RD Calculator

Calculate maturity amount and interest for Recurring Deposits.

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PPF Calculator

Estimate returns and maturity amount for Public Provident Fund.

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SIP Calculator

Estimate potential returns on your Systematic Investment Plan (SIP).

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Simple Interest Calc

Calculate simple interest based on principal, rate, and time.

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Compound Interest Calc

Calculate compound interest with various compounding frequencies.

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Latest Articles

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What is SIP?

Learn about Systematic Investment Plans (SIPs), a method of investing fixed amounts regularly in mutual funds. Understand how SIPs use rupee cost averaging to potentially mitigate market volatility.

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Choosing the Right AC Size for Your Room

Don't guess! Undersized or oversized ACs can be inefficient. Learn how factors like room size, windows, and heat load affect...

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Blog Post 3 Thumbnail

What are Lumens and How Many Do You Need?

Moving beyond watts: understand what lumens measure and how to estimate the right amount of light for different spaces in your home...

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