FREE & PREMIUM TOOLS

Smart Tools for Your Creative Workflow

Find the essential calculators, converters, and utilities you need for content creation, design, and development all in one place.

25+ Tools Available
15K+ Active Users
500K+ Tasks Completed
Explore All Tools View Premium Tools

All Tools

Find the perfect tool for your task. All our tools are designed for ease of use and professional results.

5.2k users today

Scientific Calculator

Tackle complex math problems with ease. Our scientific calculator handles trigonometry, logarithms, statistics, and more.

★★★★★ (428)
Launch Calculator
3.7k users today

EMI Calculator

Planning a loan? Quickly estimate your Equated Monthly Installments based on loan amount, interest rate, and term.

★★★★☆ (312)
Calculate Now
1.8k users today

Unit Converter

Convert between different units of measurement including length, weight, temperature, time, and more.

★★★★☆ (206)
Convert Units
1.5k users today

QR Code Generator

Create customizable QR codes for websites, text, contact information, WiFi networks, and more in seconds.

★★★★☆ (183)
Generate QR Code
8.3k users today

Word Counter

Analyze your text quickly. Count words, characters, sentences, and get readability metrics in real-time.

★★★★★ (1.2k)
Launch Word Counter
PRO

Invoice Generator

Create professional invoices with custom templates, automatic calculations, tax management, and branding options.

★★★★★ (1.2k)
Try Invoice Generator
PRO

HTML Editor

Advanced web editor with real-time preview, syntax highlighting, code validation, and export options for seamless web development.

★★★★★ (2.4k)
Try HTML Editor
View All 25+ Tools

Why Choose KT tools?

Our tools are designed with your workflow in mind, focusing on speed, security, and ease of use.

Secure & Private

Your data is important to us. Many tools operate directly in your browser, ensuring your information never leaves your device.

Fast & Efficient

Get results instantly. Our tools are optimized for speed, saving you valuable time in your workflow.

Free & Accessible

No barriers to productivity. Use our core tools freely without needing an account or subscription.

Works Everywhere

Our tools work flawlessly on desktop, tablet, and mobile devices so you can be productive anywhere.

What Our Users Say

Join thousands of satisfied professionals who use KTtools daily for their work.

Sarah Johnson

Sarah Johnson

Content Creator

KTtools has become essential for my content creation workflow. The calculators and converters save me so much time, and the results are always accurate!

★★★★★
Michael Chen

Michael Chen

Web Developer

The HTML viewer and QR code generator are my go-to tools. Clean interface, fast performance, and they just work exactly as expected. Highly recommended!

★★★★★
Emma Davis

Emma Davis

Financial Advisor

The EMI calculator is incredibly accurate and helps me give quick estimates to clients. The premium invoice generator has completely transformed how I handle billing.

★★★★☆