: The string of numbers and letters is likely an MD5 or SHA-1 hash used by servers to identify the unique file and prevent duplicates in a database. Common Uses for 960x960 JPGs
: The Joint Photographic Experts Group (JPEG) format is the industry standard for digital photography. It uses lossy compression , which balances file size and image quality perfectly for web use. 960x960_fb48dbf3c17c7f496bd0a0d399fa9ac1.jpg
: You can convert this to other formats or extract it from documents using tools like iLovePDF or Canva's Image Converter . : The string of numbers and letters is