10 Tools Available 100% Client-Side

Utilities Tools

Free everyday utilities for quick calculations, conversions, generators, timers and more. Everything runs privately in your browser with no sign-up required.

Includes:QR GeneratorPasswordAge CalcTimer

All Utilities Tools

Age Calculator

Client-Side

Calculate exact age in years, months, days, weeks, and total days between your birth date and any target date.

Open Tool utilities

Date Difference Calculator

Client-Side

Calculate exact days, weeks, months and years between two dates, or add/subtract time from any date.

Open Tool utilities

Password Generator

Client-Side

Generate cryptographically secure, customizable passwords using Web Crypto API.

Open Tool utilities

QR Code Generator

Client-Side

Generate custom QR codes for URLs, text, Wi-Fi passwords, UPI payments, email, SMS, and contacts.

Open Tool utilities

Random Number Generator

Client-Side

Generate random numbers, random decimals, or unique number lists using Web Crypto API.

Open Tool utilities

Stopwatch

Client-Side

High-precision online stopwatch with lap recording and drift-free timestamp performance.

Open Tool utilities

Time Zone Converter

Client-Side

Convert date and time between global time zones with DST accuracy and IANA city lookup.

Open Tool utilities

Timer

Client-Side

Online countdown timer with presets, audio chime, and drift-free performance.now() accuracy.

Open Tool utilities

Unit Converter

Client-Side

Convert length, weight, area, volume, temperature, speed, time, data storage, pressure and energy units instantly.

Open Tool utilities

UUID Generator

Client-Side

Generate RFC 4122 compliant UUID v4 identifiers instantly using Web Crypto API.

Open Tool utilities

Popular Across UtilNest

GST Calculator

Client-Side

Calculate GST (CGST, SGST/IGST and total) instantly — exclusive or inclusive. Free, accurate and works entirely in your browser.

Open Tool finance

Home Loan EMI Calculator

Client-Side

Calculate home loan EMI for India instantly — monthly payment, total interest and full amortization schedule for any tenure. Free, private and in-browser.

Open Tool finance

Income Tax Calculator

Client-Side

Estimate FY 2026-27 income tax under new and old regimes — slabs, rebate, surcharge, marginal relief and cess. Free and private.

Open Tool finance

JPG to PNG Converter

Client-Side

Convert JPG or JPEG images to PNG online for editing, sharing and compatibility. Free, private and browser-based.

Open Tool image

About utilities tools on UtilNest

All utilities tools on UtilNest are free, run instantly inside your web browser memory, and never upload your sensitive data. Whether you're a student, professional, or business owner in India, you can rely on accurate results with no sign-up required.

Are all utilities tools on UtilNest 100% free?

Yes, every utilities tool on UtilNest is completely free to use with zero registration, subscription fees, or hidden limits.

Does UtilNest store my data when using utilities tools?

No. All utilities processing happens locally inside your web browser. Your inputs and files never leave your device.

Can I use utilities tools on mobile phones?

Yes. All utilities tools are touch-optimized and fully responsive across smartphones, tablets, and desktop computers.