User:SvareJM/Sandbox/IrfanView Instructions

Introduction
Irfan View is a very versatile graphics manipulation tool used to modify images before they are uploaded to the Research Wiki. You can download IrfanView at IrfanView.com.

For a full list of keyboard shortcuts in IrfanView go to the Menu bar in IrfanView and select Help > Keyboard Shortcuts.

Set IrfanView as Your Default Photo Viewer
IrfanView should be set as your default image viewer. On Windows 10 press the Windows key and type "Settings". From the Windows Settings window select Apps > Default Apps. Click on "Photo Viewer" and select IrfanView 32-bit App.

Selected Functions Listed Alphabetically

 * I - Image properties. Disk size will tell you how large the file is. Wiki uploads are limited to 5MB.
 * L - Rotates image to the left
 * R - Rotates image to the right
 * S - "Save as" dialog
 * Ctrl+R - Resizes the image. This can be set by absolute values, by percentage, or a preset dimension
 * Ctrl+U – Custom/Fine rotation
 * Ctrl+Y - Crop selection
 * + - Zooms in
 * - - Zooms out
 * Space - Load next file in directory
 * Backspace - Load previous file in directory

Cropping an Image

 * 1) Zoom out so you can see the entire image
 * 2) Draw a box delimiting the area you want keep by left-clicking in one corner, and holding the left mouse button down, move the mouse to the opposite corner
 * 3) Press Ctrl+Y to crop the image to the selected area
 * 4) Resize the image if needed, and save the file

Straighten a Crooked Image

 * 1) Open the file and zoom in or out so you can see the entire image
 * 2) Press Ctrl+U to open the "Rotate by angle" window
 * 3) In the Options sections use the Angle up/down buttons to rotate the image
 * 4) Use the preview thumbnails to see what your changes look like
 * 5) When you are finished adjusting the image, click OK
 * 6) Press S to save your changes