Poshmark + Vinted Automation

About

This Chrome extension provides browser automation assistance for users who list products on both Poshmark and Vinted marketplaces. It helps streamline the cross-listing process by automating form-filling tasks directly within the official Poshmark and Vinted websites, with additional support through a hosted web interface.

Technical Functionality:

Dual-Platform Support:

Poshmark Integration: Works on https://poshmark.com/create-listing
Vinted Integration: Works on https://www.vinted.com/items/new

Hosted Interface Components:

Primary Web Panel for Vinted: https://clextensions-a6bvf6amfrc9aeex.centralindia-01.azurewebsites.net/vinted.html

Testing Interface For Poshmark: https://clextensions-a6bvf6amfrc9aeex.centralindia-01.azurewebsites.net/test-panel.html

These interfaces provide users with additional listing management tools and testing capabilities

Browser Automation Features:

Direct navigation to platform listing pages via extension buttons

Automatic form field population for listing creation

Cross-platform data synchronization assistance

Local browser-based automation without external API calls

Integration with hosted web panel for enhanced functionality

Technical Implementation Details:

Content Scripts:

content.js: Poshmark-specific automation logic
content-vinted.js: Vinted-specific automation logic

Both scripts operate only on their respective domain URLs

Host Permissions: Strictly limited to:

https://poshmark.com/*
https://vinted.com/*
https://www.vinted.com/*

https://clextensions-a6bvf6amfrc9aeex.centralindia-01.azurewebsites.net/*

wss://clextensions-a6bvf6amfrc9aeex.centralindia-01.azurewebsites.net/* (for WebSocket connections)

Local development endpoints for testing

Manifest Compliance:

Uses Manifest V3

Requests minimal required permissions

No background service workers for data collection

Explicit declaration of all connected endpoints

User Workflow:

User accesses extension popup with two buttons: "Open Poshmark" and "Open Vinted"

Clicking either button navigates directly to the respective platform's listing creation page

If not authenticated, user is redirected to platform login page

User can optionally use the hosted web interface for listing preparation

Extension facilitates automated form filling on the respective platform pages

Privacy and Security:

All processing occurs locally in user's browser

No user data collection, storage, or transmission

No access to user credentials or authentication tokens

No interaction with platform APIs (uses only DOM manipulation)

Works exclusively within authorized domains

Connection to hosted interface uses secure HTTPS/WSS protocols

Clear disclosure of all external endpoints in manifest permissions

Intended Use Case:
For sellers who maintain inventory on both Poshmark and Vinted marketplaces and wish to reduce manual data entry when creating duplicate listings. The extension assists with repetitive form-filling tasks while requiring manual user login and platform interaction as per normal workflow.

Compliance Statements:

This extension is not affiliated with, endorsed by, or sponsored by Poshmark Inc. or Vinted GmbH

All trademark references belong to their respective owners

Users must comply with Poshmark and Vinted Terms of Service

Extension functionality depends on website DOM structure and may require updates if platforms change their interfaces

Hosted interface is maintained separately and may have its own terms of use

Developer Information:

Regular updates for platform compatibility

No user data logging or analytics collection

Support available through extension interface and hosted panel

Transparent functionality with no hidden features

Clear disclosure of all external connections in manifest file