Filter Online Tutorials

Filtration is a physical process that separates solid matter and fluid from a mixture.

Filter, filtering, filters or filtration may also refer to:

Science and technology edit

Filter (higher-order function), in functional programming
Filter (software), a computer program to process a data stream
Filter (video), a software component that performs some operation on a multimedia stream
Email filtering, the processing of email to organize it according to specified criteria
Content-control software also known as an Internet filter
Wordfilter, a script typically used on Internet forums or chat rooms
Berkeley Packet Filter, filter expression used in the qualification of network data
DSL filter, a low-pass filter installed between analog devices and a telephone line
Helicon Filter, a raster graphics editor
Filter (large eddy simulation), a mathematical operation intended to remove a range of small scales from the solution to the Navier-Stokes equations
Kalman filter, an approximating algorithm in optimal control applications and problems

Filter (social media), an appearance-altering digital image effect for social media