Utilnest
Free online tools for everyday tasks

Small tools. Big convenience.

Simple, fast, and free online tools to make everyday tasks easier. No unnecessary complexity. Just useful tools that work.

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All Utility Tools

14 tools

Instant, privacy-first browser utilities designed for maximum speed and simplicity.

PopularHealth & Fitness

BMI Calculator

Calculate your body mass index using your height and weight.

Free online toolOpen tool
PopularTime & Productivity

Pomodoro Timer

Stay focused with structured work and break sessions.

Free online toolOpen tool
PopularHealth & Fitness

HIIT Timer

Alternate between intense exercise and recovery intervals.

Free online toolOpen tool
Text & Writing

Word Counter

Count words, characters, sentences, and estimated reading time.

Free online toolOpen tool
Converters

Unit Converter

Convert length, mass, temperature, speed, and volume instantly.

Free online toolOpen tool
Calculators

Percentage Calculator

Calculate percentage increases, decreases, discounts, and ratios.

Free online toolOpen tool
Developer Tools

JSON Formatter

Prettify, minify, and validate JSON data with syntax highlights.

Free online toolOpen tool
Time & Productivity

Stopwatch & Laps

Accurate millisecond stopwatch with split lap timing support.

Free online toolOpen tool
PopularCalculators

Age Calculator

Find exact age in years, months, and days, plus your next birthday.

Free online toolOpen tool
PopularText & Writing

Business Card

Design a custom front and back business card, then download as PDF or photo.

Free online toolOpen tool
Text & Writing

Word to PDF

Convert Word documents (.docx) to PDF entirely in your browser with no uploads.

Free online toolOpen tool
PopularText & Writing

Typing Speed Test

Test your typing speed with live WPM, accuracy tracking, and instant results.

Free online toolOpen tool
PopularHealth & Fitness

Reaction Time Test

Test how fast you can react to visual stimuli. Average 5 rounds for your score.

Free online toolOpen tool
PopularConverters

QR & Barcode Generator

Generate QR codes or barcodes with customizable colors, sizes, and formats.

Free online toolOpen tool
Philosophy & Architecture

Why Utilnest

Designed for engineers, writers, creators, and everyday web users who value speed, clarity, and privacy over bloated software.

01

Simple to Use

No complicated interfaces, multi-step wizards, or unnecessary steps. Every utility is crafted with clean inputs, instant live outputs, and zero cognitive overhead.

Built for web standards
02

Fast & Accessible

Lightweight tools that execute directly in your browser. With zero server latency and no bulky third-party scripts, calculations render at native speed.

Built for web standards
03

Free to Use

Everyday utilities with no paywalls, subscriptions, account requirements, or intrusive ads. Open, accessible, and ready whenever you need them.

Built for web standards