The everyday toolbox

Small tools that make your day a little easier.

A handpicked collection of 45+ fast, free online utilities. No signups, no tracking, and everything runs right in your browser.

Browse all tools Read the blog

Word & Character Counter

Count words, characters, sentences and paragraphs instantly.

Convert text to upper, lower, title, or sentence case.

Lorem Ipsum Generator

Generate placeholder paragraphs, sentences or words.

Text Diff Checker

Compare two blocks of text and highlight differences.

45+

Free tools

5

Categories

100%

Runs in-browser

0

Sign-ups needed

Text & Writing

Word & Character Counter

Count words, characters, sentences and paragraphs instantly.

Convert text to upper, lower, title, or sentence case.

Lorem Ipsum Generator

Generate placeholder paragraphs, sentences or words.

Text Diff Checker

Compare two blocks of text and highlight differences.

Reverse text, words, or lines with one click.

Remove Duplicate Lines

Deduplicate lines from a list, keeping order intact.

Whitespace Cleaner

Trim extra spaces, tabs and blank lines from text.

Sort lines alphabetically, numerically or reverse.

Character Frequency Counter

See how often each character appears in your text.

SEO & Web

Meta Tag Generator

Build SEO-friendly meta and Open Graph tags in one click.

URL Slug Generator

Turn any title into a clean, SEO-friendly URL slug.

Robots.txt Generator

Create a valid robots.txt file for your website.

URL Encoder / Decoder

Percent-encode or decode URLs and query strings safely.

Keyword Density Checker

Analyze keyword frequency and density of any text.

Open Graph Preview

Preview how your link looks when shared on social media.

XML Sitemap Generator

Generate a sitemap.xml from a list of URLs.

Hashtag Generator

Turn a topic or sentence into ready-to-use hashtags.

UTM Link Builder

Build UTM-tagged URLs for campaign tracking.

Developer

JSON Formatter & Validator

Beautify, minify and validate JSON in the browser.

Base64 Encoder / Decoder

Encode text to Base64 or decode it back — instantly.

Password Generator

Generate strong, random, cryptographically secure passwords.

Generate RFC-4122 v4 UUIDs in bulk, right in your browser.

HEX ↔ RGB Color Converter

Convert between HEX and RGB color codes with a live preview.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates.

Random Number Generator

Generate random numbers in any range, with or without duplicates.

Decode JWT header and payload — locally, no server calls.

Test regular expressions against sample text in real time.

Converters & Calculators

Image Compressor

Compress JPG, PNG and WebP images directly in your browser.

Percentage Calculator

Calculate percentages, increases and decreases with ease.

Calculate exact age in years, months, weeks and days.

Length Converter

Convert meters, feet, inches, miles, kilometers and more.

Temperature Converter

Convert Celsius, Fahrenheit and Kelvin instantly.

Weight Converter

Convert kilograms, pounds, ounces, grams and stones.

Number to Words

Convert any number into its written English form.

Roman Numeral Converter

Convert between Roman numerals and Arabic numbers.

Time Duration Calculator

Find the difference between two dates or times.

Health & Finance

Calculate Body Mass Index in metric or imperial units.

Loan EMI Calculator

Estimate monthly loan payments, total interest and payoff time.

Split a bill and calculate tips per person, fast.

Compound Interest Calculator

Project savings growth with compounded interest.

Simple Interest Calculator

Calculate simple interest on principal, rate and time.

Savings Goal Calculator

Find out how much to save monthly to reach a goal.

Estimate your Basal Metabolic Rate and daily calories.

Body Fat Percentage Calculator

Estimate body fat using the U.S. Navy method.

Ideal Weight Calculator

Get an ideal weight estimate based on height and gender.

Runs in your browser

All calculations happen locally. Your data never leaves your device.

No accounts, no fluff

Open a tool, use it, close the tab. No signups, no dark patterns.

Free forever

Every tool is free, ad-free, and always will be. Simple as that.

The ToolNest way

Built the way tools should be built.

We think the web works best when small utilities do one thing well and stay out of the way. That's the whole philosophy behind ToolNest — a growing library of focused tools that respect your time, your privacy, and your attention.

01

Pick a tool

Browse by category or search for the exact utility you need. Everything is one click away from the homepage.

02

Paste or upload

Drop your text, numbers, or files right into the tool. Nothing is sent to a server — it's all processed on your device.

03

Copy the result

Copy, download, or share the output. Close the tab when you're done — there's nothing to save and no history to worry about.

From the blog

2026-06-14 · 7 min read

Why free online tools still matter in 2026 (and how to pick good ones)

Between AI chatbots and heavyweight SaaS suites, the humble single-purpose web utility is quietly winning. Here's why — and how to spot the ones worth bookmarking.

2026-07-02 · 8 min read

SEO basics every side project should get right in the first week

A pragmatic, jargon-free checklist for shipping a personal project that Google (and humans) can actually find and enjoy.

2026-07-18 · 7 min read

Browser-based tools are underrated — why client-side is a feature, not a limitation

Modern browsers can resize images, parse gigabyte CSVs, run WebAssembly and encrypt files without ever calling a server. Here's why that changes what 'serious' software looks like.

Frequently asked

+Is ToolNest really free?

Yes. Every tool on the site is free to use with no signup, no trial, and no premium tier.

+Do you store the data I paste in?

No. Every tool runs entirely in your browser. Nothing you paste, upload, or type is sent to us or any third party.

+Can I use these tools commercially?

Absolutely. Use them for freelance work, agency work, or inside your own company — no license required.

+How do you suggest a new tool?

Send us a note via the contact page and describe what you'd like to see. We build most of what gets requested.

Find the tool you need.

Whether you're formatting JSON, sizing an image, or calculating a loan payment, the right utility is a click away.

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