How do I create screenshots?
- How to: Windows
- How to: Unix-based
- How to: Mac
- How to: iOS devices
- How to: Android
- How to: The GIMP
- Additional tips
If you have enough reputation, you can embed images into questions and answers. This covers how to create a screenshot suitable for uploading.
For how to upload a screenshot, see How to upload an image to a post?
Ideally, you want a plain white background so your screenshot is as simple as possible. To do this, open a new browser window/tab, and drag the desired window in front of it.
If your screenshot is of a GUI, it's often beneficial to be able to see the appearance and position of the cursor. Not all screenshot tools can capture the cursor; if yours doesn't, you may want to switch to a different method.
Whenever possible, save your image as PNG. PNG is good for images with sharp lines and offers reasonably good compression.
In these cases, the important part of the problem is the text, so that's what should be included. Simply copy the relevant text and paste it into the post.
To capture your screen, either:
Press Print Screen.
Press Alt Print Screen to limit the screen capture to only the active window.
Paste the result into an image editor and save.
Alternatively, for Windows Vista onwards and Experience Pack for Windows XP Tablet PC Edition 2005, you can use the Snipping Tool application which allows a user to make various forms of screenshots; this often makes your job a lot easier.
Press Print Screen, which launches ksnapshot.
When run, ksnapshot will open with a new screenshot. If necessary (for instance, if you only want a portion of the screen), repeat using other options.
gnome-screenshot can alternatively be launched from the command-line.
--help describes options (delayed captures, border shadows, selecting an area with the mouse),
--interactive gives you a dialog box to select the options interactively.
To save a screenshot to the desktop, do one of the following:
To save a screenshot to the clipboard, do one of the following:
Press ⌃⇧⌘4 to take screenshot of a selected part of the screen.
Open Preview and choose File > New from Clipboard. Edit the image and save.
Note: When taking a screenshot of a selected part of the screen using ⇧⌘4 or ⌃⇧⌘4, you can press space to toggle between dragging an arbitrary region to capture and simply clicking on any window to capture that entire window.
Simultaneously press (and quickly release) the On/Off Sleep/Wake and Home buttons. The screenshot will be added to the Camera Roll album.
Hold down the Volume Down and Power key to capture a screenshot.
More details can be found here
The GIMP is a free multi-platform image manipulation program which does also support capturing screenshots.
You now have a screenshot directly in GIMP which you can crop, annotate and enhance with freehand circles.