Alternative to Windows Snipping Tool for Mac OSX Is there something like the Windows Snipping Tool for OSX? 

For those, who don't know about the tool, it's an easy to use software to take snapshot of any portion of screen, and is really useful in various situations.
There is now a blog entry about Taking Screenshots in a Snap.



It's built into Mac OS.


⌘+&#x21E7;+3 captures the whole screen
⌘+&#x21E7;+4 captures a custom rectangle 
(click and drag over the screen region you want to capture)
⌘+&#x21E7;+4 then space captures a specific window (move the mouse cursor over the desired window, then click)


Press esc to cancel.

Screenshots are saved onto your Desktop and timestamped.

Holding control in addition to any of the sequences above causes the image to be copied instead of saved to the desktop.

By default the image format is png. However, you can change the format by typing in the Terminal:

defaults write com.apple.screencapture type image_format
killall SystemUIServer


Where image_format is one of jpg, tiff, pdf, png, bmp or pict (among others). If you omit the second line, you will need to log out and in again for the change to take effect.

The settings for the shortcuts in the system preferences are located at:
System Preferences &#x2192; Keyboard &#x2192; Keyboard Shortcuts &#x2192; Screen Shots

The MacOS X application that enables screenshots is called Grab. It is located at /Applications/Utilities/Grab.app