Check title and bullet lengths against common limits and see a neutral mock preview of how the listing reads, before publishing anywhere.
This is a neutral mock preview for checking length and layout. It is not an Amazon page and does not publish anything.
Long titles and bullet points are a common reason listings get edited, truncated or flagged after publishing. This previewer counts a product title against a 250-character limit and each of five bullet points against 500 characters, warning as soon as either limit is exceeded, and renders the result as a neutral mock preview card, image on the left, then the brand line, title, price and bullets. The preview is a layout and length check only. It is not an Amazon page, it does not connect to any seller account, and Amazon makes the final decision on category-specific limits, content rules and whether a listing is accepted.
Why does the title limit say 250 characters? 250 characters is the widely used upper limit for product titles in many categories, which is why this tool checks against it. Some categories allow less, and Amazon sets the final limit for each category, so treat 250 as a ceiling to stay under rather than a guarantee.
Does this tool publish or check a real listing? No. It renders a neutral mock preview entirely in the browser from what is typed here. Nothing is sent to Amazon or any marketplace, and no seller account is involved.