Click on the Image Menu, then Information (or use the Information tool on the toolbar). A box opens with the following about the image:
Full file path
Resolution - you can change the DPI values and then press the “Change” button.
Original size (width/height in pixels)
Current size (width/height in pixels)
Print size (in cm/inches, based on image DPIs)
Original colors (color depth, BitsPerPixel)
Current colors (color depth, BitsPerPixel)
Number of unique colors in the image
File disk size (in KB)
Image memory size (in KB, decompressed)
Current directory index
Loaded in (time to load image)
If you load a JPG/TIF/DigiCam-RAW image with EXIF information, the button ‘EXIF info‘ is visible and IrfanView can show you EXIF information.
When you are viewing a photo in JPG/TIF/DigiCam-RAW format with EXIF photo information, click on Image information on the toolbar and an IrfanView Image properties window opens. In the lower left hand corner you will see button marked “EXIF info“. Click on the button and another window will open to display all the exposure information pertaining to the photo you are viewing.
Click your mouse on the name of the file and use your cursor up and down keys to scroll through the information. You will find the date, time, image size, lens aperture opening, zoom lens setting, quality mode, shutter speed, use of flash, ISO speed of CCD setting sensitivity, make and model of camera. See text/pattern options for a list of EXIF tags. This information is in text (.txt) format. You can select the text info and copy it to clipboard so that you can paste it into a word processing program and print it or save it into the same directory where your photo images are stored for future reference.
If you load a JPG image, the button ‘IPTC info‘ is visible and IrfanView allows you to display/edit/write IPTC information. IPTC editing is a lossless operation, the JPG image is not changed. The IPTC data in TIF/DigiCam-RAW formats can be also showed, no editing yet.
If you load a JPG image, the button ‘Comment‘ is visible and IrfanView allows you to display/edit/write the JPG comment. Comment editing is a lossless operation, the JPG image is not changed.
Click the OK button when you are done viewing the information.