150+ Free Online Tools & Calculators

Powerful tools for math, finance, health, conversions, coding, and more. No installation required.

Browse Tools by Category

Why Choose OMCalculator?

Fast & Easy

Our tools load instantly and are designed for maximum ease of use with intuitive interfaces.

Secure

Your data privacy is our priority. We don't store your files or personal information.

150+ Tools

Largest collection of free online tools covering all categories you might need.

Mobile Friendly

All tools work perfectly on any device - desktop, tablet or mobile phone.

Dark Mode

Eye-friendly dark mode available for all our tools and calculators.

100% Free

All tools are completely free to use with no hidden charges or subscriptions.

Ready to Use Our Tools?

Start using our free online tools now to make your work easier and more efficient.