Generate random addresses, name, phone numbers, names, usernames and more basic background information of the world, and generate empolyment & finance infomation, interests, online profile of US,CA,UK,AU.

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The percentage change calculator determines the value difference and the percent change from the original value to the new value.

Flip an edgy coin and have fun

We collected random tools including entertainment, knowledge, names, sports, geography ands so on, such as random abilities, random user names, random movies, etc. Just random it, and try a different life.

England name generator provides United Kingdom address, United Kingdom email, United Kingdom phone numbers and much more.

Do you know how many calories you burn each day? Get your number and learn the best ways to change your daily energy expenditure to lose weight.

Randomly generated Japanese names and addresses from real public sources, fake identities for database testing.

Random License Plate And VIN Number Generator

Color Picker:Color Picker: With this online tool you can upload an image or provide a website URL and get the RGB Color, HEX Color and HSL Color code.

Linux new command line utilities

Visualizing Git

Python Tutor helps people overcome a fundamental barrier to learning programming: understanding what happens as the computer runs each line of code. You can use it to write Python, Java, C, C++, JavaScript, and Ruby code in your web browser and see its execution visualized step by step.

A showcase of what is possible with Progressive Web Apps today.

RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions

Build the Bible into your app or website.

Calculating percentage change and expressing an increase or decrease. ( ΔV / |V1| ) * 100 = ((V2 - V1) / |V1|) * 100 = percentage change. Positive percentage change is an increase and negative is a decrease. How to calculate percentage change and percentage formula.

Download Thousands Of Free And Cool Fonts For Windows And Macintosh From Fontsgeek.com .

Website dedicated to gathering & sharing information on UK's Towns, Counties & postcodes. We currently have 43,588 towns and 102 counties listed.

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CLI command line tool to analyze access logs of websites

United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by state.