You forgot to disable Steam Cloud. Even if you delete the cloud file, Steam re-downloads it. Disable Cloud, then put the console in Offline Mode once, edit, then go back online.
A successful edit or "perfect" save typically unlocks: All EX Weapons and costumes in Campaign mode. Level 95+ weapons and all missions in Raid Mode . resident evil revelations 2 save editor pc work
If you're modding the game, consider using the Resident Evil Revelations 2 Fusion Fix to unlock higher resolutions and fix aspect ratio issues. You forgot to disable Steam Cloud
Editing items is more complex because the database assigns specific ID codes to every weapon and item. You will typically look for a block of data that looks like an inventory list. Steam re-downloads it. Disable Cloud