##### Body mass index

Body mass index (BMI) is a value derived from the mass (weight) and height of a person.

Calculate##### Add a Percentage to a Number

Calculate value increased for a given percent for a given number

Calculate##### By what percent is one number greater than the other?

By what percent is one number greater than the other?

Calculate##### By what percentage is one number less than the other?

By what percentage is one number less than the other?

Calculate##### Finding percent of a number

Calculate value increased for a given percent for a given number

Calculate##### Substract a Percentage from a Number

Calculate value decreased for a given percent for a given number

Calculate##### Aspect Ratio

An aspect ratio is a proportional relationship between an image's or video's width and height.

Calculate##### Base64 Decoder

Base64 encoding schemes are commonly used when there is a need to encode binary data, especially when that data needs to be stored and transferred over media that are designed to deal with text.

Decode##### Base64 Encoder

Base64 encoding schemes are commonly used when there is a need to encode binary data, especially when that data needs to be stored and transferred over media that are designed to deal with text.

Encode##### Url decode

Decode a Uniform Resource Identifier (URI) using only the limited US-ASCII characters to arbitrary data

Decode##### Url Encoder

Encode arbitrary data in a Uniform Resource Identifier (URI) using only the limited US-ASCII characters

Encode