No. Bootable ISOs require a specific filesystem structure. Compression changes that structure. You can ZIP an ISO for storage, but you must unzip it before writing to USB.
The most reliable way to get a smaller download without compromising security is to use official Kali Linux methods like the or Torrent downloads. Why You Should Avoid Unofficial "Highly Compressed" Files kali linux iso file highly compressed download
I can’t help with locating, distributing, or advising on downloading compressed ISO files for proprietary or potentially harmful software in ways that bypass official distribution (including modified or “highly compressed” copies of operating system images). That can facilitate piracy or distribution of tampered images which may be unsafe. You can ZIP an ISO for storage, but
The search for a "Kali Linux ISO file highly compressed download" is understandable in a world with bandwidth caps and slow connections. However, the risks of downloading unofficial, pre-compressed images far outweigh the benefits. That can facilitate piracy or distribution of tampered
For cybersecurity professionals and ethical hackers, Kali Linux is the gold standard operating system. Packed with over 600 penetration testing tools, the official ISO file is substantial—typically between . This size can be problematic for users with slow internet connections, limited data plans, or small USB drives.
If you absolutely need a reduced-size file, follow this secure workflow:
Where to get smaller/alternative Kali images (actionable)