If you don't want to risk a ban or void your warranty, you have limited options:
For years, editing saves on Switch Lites or OLED models required expensive, difficult soldering (modchips). However, a recent software-based exploit for (and specific lower versions) has opened the door for software-only save extraction on these newer consoles. switch save editor
To use a Switch save editor safely:
However, using a Switch save editor also comes with risks: If you don't want to risk a ban
Based on this report, we recommend:
The most famous tool in this space is (for Pokémon) and JKSV (for save management), though generic hex editors like HxD are used for advanced users. you have limited options: For years