: These files often contain EXIF data , which includes the date the photo was taken, camera settings, and sometimes location tags.

: It uses "lossy" compression, which permanently removes some image data to keep file sizes small and load times fast .

: You can open a JPG in almost any web browser or image editor, including Adobe Photoshop or MS Paint . How to Identify Your Image

If you have a file with this name and want to know what the image actually depicts, you can use specialized tools: