It provides high-value "peace of mind" for a tool that is often used for quick, messy drafting where mistakes are common.
A list in the sidebar (e.g., "Today, 8:41 AM") showing when changes were made. Note 3/27/2023 8:41:50 AM - Online Notepad
Instead of just saving the current state, this feature tracks changes automatically, ensuring no data is lost to accidental deletions or "save-overs." It provides high-value "peace of mind" for a