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Stay signed into your marketplaces. Prelo fills your listings. Prelo Cross-Lister is the companion extension for ListPrelo (www.listprelo.com), a listing tool for resellers. Write a listing once in Prelo, then send it to Poshmark, Mercari or Depop. The extension opens the marketplace's own new-listing page in your browser, fills in the title, description, price, condition, category and photos from your Prelo draft, and stops. You review everything and click the marketplace's Publish button yourself. When an item sells on one marketplace, Prelo can notify you to take it down elsewhere. If you turn on automatic ending in your Prelo settings, the extension opens your own listing on the other marketplaces and marks it not for sale so you never sell the same item twice. What it does • Fills marketplace listing forms from your Prelo drafts • Uploads your photos into the form • Checks your own live listings for sales • Marks a listing not for sale after the item sells elsewhere (opt-in) • Deal alerts from Facebook Marketplace searches you save in Prelo What it does not do • It never submits a new listing for you • It never deletes a listing • It never likes, follows, shares or messages anyone • It never reads pages you are browsing unless Prelo opened them for a task You need a ListPrelo account. Pair the extension from Settings → Browser extension in your Prelo dashboard.
Sep 12, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.