This application can perform the following task:
- String Functions: Uppercase, Lowercase, Reverse, Count, etc.
- Math Functions: Percentage, Average, Fraction, Simple Calculator.
- Date Functions: Find Age, Calculate Difference Between 2 Dates, Check if Leap Year.
- Unit Conversions: Simple conversions between units.
- Developer Tools: Simple XML and JSON Validation.
Note: For critical applications, please consider verifying the results as needed.