Compress -

: No data is lost; the file returns to its original state when decompressed (e.g., ZIP files, PNG images).

: Services like Adobe Acrobat Online or Smallpdf can shrink large documents for emailing. compress

: Permanently removes non-essential data to achieve much smaller sizes, though quality may decrease (e.g., JPEG, MP3). Common Tools : : No data is lost; the file returns