: Every JPG can store hidden data called EXIF , which includes the date the photo was taken, camera settings (ISO, aperture), and even GPS coordinates. JPG vs. JPEG: Is There a Difference?
: If you need to change a JPG to another format (like PNG), use trusted software like the Adobe Image Converter rather than unknown third-party websites to avoid potential malware. Everything you need to know about JPEG files - Adobe
: Before sharing images publicly, consider using tools to strip EXIF data if you don't want others to see your location or camera details.
: It uses the Discrete Cosine Transform (DCT) algorithm to discard "invisible" data, such as subtle color variations that our eyes don't easily notice.
: Because it is a standardized format, JPGs can be opened on virtually any device, including smartphones, PCs, and web browsers.
While usually safe, image files can sometimes be used in cybersecurity threats.
There is between a .jpg and a .jpeg file; they are the same format. The three-letter ".jpg" extension became standard because older Windows and MS-DOS systems were limited to three-character file extensions. Safe Handling of Image Files