Crosslist to eBay, Poshmark & Mercari in one click. Auto-delist sold items. AI-optimized listings.
Add to Chrome — It's FreeVisit any marketplace and Shelf automatically detects your listings. One click to import.
Pick a target platform and Shelf fills the listing form — AI adapts your title and description.
When an item sells, Shelf detects it within 15 minutes and delists it everywhere else.
Seamless crosslisting between the platforms resellers use most.
Import a listing from any marketplace and crosslist it to another in under 90 seconds. No copy-pasting.
Shelf adapts your title, description, and category for each platform. Mercari gets concise titles. Poshmark gets engagement hooks.
Shelf checks for new sales every 15 minutes. When it finds one, it automatically removes the item from other platforms.
See all your listings across every platform in one popup. Track what's active, what sold, and your daily revenue.
Start free. Upgrade when you're ready.
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Shelf never asks for your marketplace passwords. It works by detecting your existing login sessions in the browser — the same sessions you already use when you visit eBay, Poshmark, or Mercari. Your credentials are never stored or transmitted.
Shelf uses human-like timing, randomized delays, and natural scrolling to interact with marketplace pages. Many crosslisting tools have operated for years without issues. That said, no tool can guarantee zero risk — we recommend starting with a few listings and building up.
Most crosslists complete in under 90 seconds. Shelf opens the listing form, fills every field (title, description, photos, price, category, condition), and waits for you to review before submitting.
Our modular architecture isolates each marketplace's selectors into their own files. When a site changes, we can usually push a fix within 24 hours. The extension auto-updates from the Chrome Web Store.
Yes, for automatic sale detection. Shelf runs a background check every 15 minutes while Chrome is open. If Chrome is closed, Shelf catches up on the next launch.
Absolutely. The free tier gives you 5 crosslists per month and one connected marketplace — no credit card required. You can even use Shelf without creating an account.