Image Compress Free Online Tool is a small tool for compress image size by compression ratio of 1/2, 1/3, 1/4, etc

Create an identicon with this free online tool. Identicon Generator: could generate your identicon avatar image base you input string.

The analog clock widget has a beautiful and fresh interface. It just simulates a clock and with a second hand. You can also choose the background color you like.

Flip Clock with beautiful fliping effect, also supports counter mode, and a variety of color background.

The Time Difference Calculator is an online tool that can help you conveniently calculate the interval between two times. The calculation result is accurate to hours, minutes and seconds. It can easily calculate the date time difference.

The Age Calculator can determine the age base on your selected birth date. The calculated age will be displayed in years, months, weeks, days, hours, minutes, and seconds.

XPath Parser is a free online tool that could Parsing HTML document or XML document with Xpath

Distance calculator could calculate the distance between two points in the rectangular coordinate system, supports two-dimensional coordinates and three-dimensional coordinates.

24 Points Calculator could takes four numbers base on your input and attempts to find an arrangement of these four numbers and the arithmetic operations (× + − ÷) to make the value 24.

Fibonacci Sequence Generator could generate Fibonacci Sequence base on your input (Start Number and Generated Count).

Net Present Value (NPV) Calculator is a calculator of calculating Net present value. It could calculate NPV base on your input of outflow and inflows.

Internal Rate of Return (IRR) Calculator is a calculator of calculating an investment’s rate of return. It could calculate IRR base on your input of outflow and inflows.

The compound interest calculator can calculate the compound interest according to the calculation frequency of day, week, month or year by setting the initial capital investment, annual interest rate and period. Compound interest refers to the interest calculation method in which the interest of a certain interest period is calculated by adding the total amount of interest accumulated in the previous period to the principal, which is commonly referred to as "rolling interest".

The number to English Word online tool can convert the entered values / numbers into English, and supports decimal points.

Figure out the average pace for your most recent race, calculate how far you ran based on your estimated pace workout, or plan your training using this calculator to determine the pace for a given distance.

The BFP(Body Fat Percentage) Calculator is a measure of fitness level free online tool, it is the only body measurement which directly calculates a person's relative body composition without regard to height or weight.