ListLab - Cross-Listing Tool for Resellers

Auto-fill Poshmark, Mercari & Depop listings in one click! Save hours on cross-listing. Free for resellers.

As of June 2026, ListLab - Cross-Listing Tool for Resellers has — users in the Shopping category.

Shopping

Chrome Web Store ↗.crx

Users0%

—

Rating0%

—

— reviews

Reviews0%

—

Version

1.4.1

Manifest V3

History

5 snapshots

Tracking since Apr 19, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 19, 2026	1	—	—	1.4.1
Apr 25, 2026	2	—	—	1.4.1
May 13, 2026	1	—	—	1.4.1
May 25, 2026	—	—	—	1.4.1
Jun 9, 2026	1	—	—	1.4.1
Now	—	—	—	1.4.1

Permissions & access

Permissions: activeTabstoragecontextMenus
Host access: https://poshmark.com/*, https://www.poshmark.com/*, https://mercari.com/*, https://www.mercari.com/*, https://depop.com/*, https://www.depop.com/*, https://ebay.com/*, https://www.ebay.com/*, https://listlab-production.up.railway.app/*, http://localhost:3001/*

Screenshots

ListLab - Cross-Listing Tool for Resellers screenshot 1

ListLab - Cross-Listing Tool for Resellers screenshot 2

About

ListLab is a cross-listing tool built for resellers. Create your product listing once, then auto-fill it across multiple marketplaces with a single click.

Features:
  - One-click cross-listing to Poshmark, Mercari, Depop, and
  eBay
  - Auto-fills titles, descriptions, prices, categories, sizes,
  conditions, and photos
  - Manage all your products from a single dashboard
  - Report issues directly from the extension

How it works:
  1. Sign in with your ListLab account
  2. Add products at mylistlab.com
  3. Click Cross-List — the extension opens each marketplace and
   fills the form for you

Free to use until I start losing money. Built by resellers, for resellers.