For those seeking control and maximum fidelity without paid software, a combination of tibmount (from Acronis CLI tools) and dd/mkisofs can work.

A .TIB file is the proprietary backup format created by Acronis True Image (now known as Acronis Cyber Protect Home Office). Unlike a raw sector-by-sector copy, a TIB file is a smart container. It can:

Crucially, a TIB file is not a bootable disk image in the traditional sense. It is a backup archive.

You have performed the conversion. How do you know you achieved extra quality?

Run this checklist:

If any of these fail, your conversion was not "extra quality" — it was merely functional lossy conversion.

Result: A bootable ISO, but no quality gain. The ISO will be larger (no compression) and lose all incremental backup features.