Web Apps

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USA Parks API

USA Parks API

A public and free-to-use service API about USA national parks.
  • GET a list of all parks.
  • GET parks by state.
  • GET a specific park by id.
  • POST a new park.
Quizzes

US Culture Quiz

Exercise your brain! Answer 10 questions to find out how much you know about American cuture.
This quiz includes american topics like history, geography, government, holidays, cinema, musics and sport.
iTipper

iTipper

How much to tip in the USA? You can use this online tip calculator to calculate your tip and total bill.
  • Calculate tip and the total bill
  • Split bill with ease
Unit Converter

Unit Converter

This is an online unit converter that allows you to convert with ease US units to European units and vice versa.
  • Temperature conversion (ºF to ºC)
  • Length conversion (inches to cm / m)
  • Weight conversion (lb to kg)
  • Speed conversion (miles to km)
Hex / RGB Color Converter

UI Color Converter

This is a color conversion tool used for web design. Here are its main features:
  • Convert Hex color to RGB code color and vice versa.
  • Lighten and darken a color.
  • Recommend the most appropriate text color to use for the best legibility with your background color.
JSON Formatter

JSON Formatter

JSON Formatter is a web based tool that allows you to:
  • Validate the JSON format.
  • And format the JSON string into a human readable format.
Base 64 Encryption / Decryption

Secret Message

This is an online Base64 Encryption and Decryption tool. You can easily:
  • Encode plain text to base64.
  • Or decode base64 to plain text.