Transfer the file to a PC via (MTP mode) or by moving the SD card.
If you want to stay "hot" (safe), keep your Switch in Airplane Mode while editing, apply the changes, play offline for 24 hours, and then go online. This changes the save time stamp to look natural. nintendo switch save editor hot
The modern lifestyle is busy. Between careers, family obligations, and social lives, finding 100 hours to max out a character in Xenoblade Chronicles or farm Dragon Parts in The Legend of Zelda: Tears of the Kingdom is a tall order. Transfer the file to a PC via (MTP