Open the app and go to Home (or Products to pick specific items).
Choose an action such as Compress and square all.
Review the estimate that appears — it shows how many images will be processed and how many actions it will use.
Confirm to start. Large runs continue in the background, so it's safe to close the page.
When it finishes you'll see a summary of what was done, skipped, or failed.
Want us to walk you through your first run? Just message us in the chat.