Screen Magnifier is a software that interfaces with a computer's graphical output to present enlarged screen content. It is a helpful tool for people involved into GUI development and web design. All small details on the screen become noticeable and turn available for analysis.

Screen Magnifier is the main function of the ScreenTools.

There are three magnification modes:

Mouse mode. (toggled with button) View point is set to the mouse position and updated on every mouse move. This mode is very useful for visually-impaired people or people who want to see their actions in details e.g. GUI designers, web-designers or beta-testers.

Fixed mode. (toggled with button) View point is set once by mouse click and stays fixed until next mode. Fixed mode is good to monitor a certain piece of the screen and capture objects in there.

Loupe mode. (toggled with button) View point is set to the position right under magnifier and it acts as a movable magnifying glass on the screen. It is fulfilled with ability to measure and capture objects in any visible area.

Current selection's absolute position or current selection's size in pixels is displayed at the coordinate bar ().

Magnification rate can be changed with zoom selector () in the range between 1x and 32x.

Color information is displayed at the Color info area and can be toggled with corresponding button (). It is available in several formats: CMYK (Cyan Magenta Yellow Black), RGB (Red Green Blue), HSV (Hue Saturation Value), HEX (for C++/C# developers) and HTML (for web-designers).