Sidekick Tools - Powerful Crossposting & Automation for Resellers icon

Sidekick Tools - Powerful Crossposting & Automation for Resellers

by Sidekick Tools Inc · poshsidekick.com · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 19 Oct 2026

Posh Sidekick helps resellers automate marketplace activity and crosslisting: create, edit, relist, share, follow and send offers.

Users
81
store count
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
total ratings
Store rank
#91K
#76K among extensions
Version
1.1.55
updated 10 Oct 2026

About Sidekick Tools - Powerful Crossposting & Automation for Resellers

Sidekick Tools — Reselling Automation & Crossposting Platform Posh Sidekick also known as Sidekick Tools is an all-in-one automation and crossposting platform designed for online resellers. It helps sellers manage listings, automate repetitive marketplace activities, and expand their inventory across multiple marketplaces from one place. Marketplace Automation Posh Sidekick provides automation tools across 7+ USA and Canada marketplaces, helping sellers reduce manual work and keep their stores active. Key automation features include: Offer to Likers/Buyers — automatically send offers to interested shoppers. Relisting — automatically or manually relist older/stale listings. Sharing — automate self shares, party shares, community shares, and share backs. Follow & Unfollow — Grow your store by automatically following and engaging with relevant users Delisting — remove sold items from other marketplaces to help prevent double selling. Crossposting to 7 Marketplaces Sellers can create a listing once and crosspost it to seven marketplaces Poshmark · eBay · Mercari · Depop · Whatnot and more!!! Listings can be customized for each marketplace, allowing sellers to adjust marketplace specific information before publishing. Sellers can also manage existing inventory and publish immediately, save drafts, or schedule listings. Listing Management & Editing Posh Sidekick provides tools to manage listings across marketplaces, including: * Listing edits * Marketplace-specific listing fields * Pricing and description adjustments * Category and attribute management * Inventory management * Crossposting maintenance * Duplicate listing management This allows sellers to manage large inventories without manually editing every marketplace listing individually. AI-Powered Image Tools Posh Sidekick also includes image enhancement tools designed specifically for product listings, including: Background removal AI-generated/stock-style product images Image regeneration and enhancement Bulk image background removal These tools help sellers create cleaner, more professional product images without requiring professional photography or editing software. One Platform for Resellers Instead of managing seven marketplaces separately, Posh Sidekick brings automation, cross posting, listing management, image tools, and sales tools into one platform, allowing resellers to spend less time on repetitive tasks and more time sourcing and selling inventory.

Growth

WindowUsersChangeRatingsRating
7 days+77+1925.0%00.00

Version history

3 versions recorded
1.1.5510 Oct 2026
1.1.389 Oct 2026
1.1.378 Oct 2026

Details

Category
Tools
First seen
8 Oct 2026
Size
442 KB
Languages
en-US
Pricing
Free
Privacy policy
poshsidekick.com
Support
poshsidekick.com
Extension ID
lmabhkpkecdhlfelichefneikbffnpno

Permissions and risk

Elevated riskimpact 3, likelihood 3
Permissions
cookiesstoragetabsscriptingsidePanelalarmswebRequestbrowsingData
Site access
https://poshmark.com/*https://*.poshmark.com/*https://poshmark.ca/*https://*.poshmark.ca/*https://mercari.com/*https://*.mercari.com/*https://depop.com/*https://*.depop.com/*https://etsy.com/*https://*.etsy.com/*and 11 more

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