Helpful Sites

1. Unicode code converter


This site is convenient for when you need to convert text for your development in many languages (Java, JavaScript,…). You can convert plain text to hex code points, or Japanese text to Unicode code points to use in Java and many more cases.

2. Format text file

3. Learn programming online

4. ExtendsClass : Online developer tools


This site provides many online tools for developer to work efficiently with only one browser tab. The bonus point is UI, it’s modern and user-friendly.

Some example tools: