WooPOS

WooCommerce POS Inventory Count allows you do Physical Inventory Count for WooCommerce by scanning QR code and import and update counted quantities from inventory scanner.
This plugin is created by <a href="http://woopos.com/" rel="nofollow ugc">WooPOS</a>, an all-in-one top-class Windows Desktop App for Point Of Sale (POS). From inventory management to data analytics, sales processing and employee management, WooPOS (WooCommerce POS) will help you manage your single or multiple location retail brick-and-mortar stores and online WooCommerce store. Build-in features: WooCommerce stock manager, WooCommerce shop manager, WooCommerce frontend manager, multi vendor, multi store, split payment, purchase order, average cost, employee commission, clerk permission, barcode designer and printing, product sales report, offline sales, cloud database, CRM loyalty points, rewards, store credit, gift card…and much much more.
First, select categories you want to do physical count. Click SAVE button to save selected categories.
The <code>Download Sku List File</code> button will create a SKU list file, a comma delimited CSV/TXT file which contains Sku, Description, Price. You can download this file to the <a href="https://play.google.com/store/apps/details?id=com.woopos.inventorycount" rel="nofollow ugc">scanner app</a> or click <code>Generate QR Code for App</code> and then scan the QR code from <a href="https://play.google.com/store/apps/details?id=com.woopos.inventorycount" rel="nofollow ugc">scanner app</a>.
Once you have done scanning, you can upload counted list by clicking <code>Choose File</code>, or <code>Show QR Code</code> and then scan the QR code from scanner. Click <code>Update Stock Quantities</code> to make changes.
To start inventory count with this plugin, please visit iventory count plugin guide <a href="https://support.woopos.com/knowledge-base/woocommerce-inventory-count-plugin/" rel="nofollow ugc">here</a> 
To start inventory count with WooPOS all-in-one Windows App, please check the general guide <a href="https://support.woopos.com/knowledge-base/inventory-count-guide/" rel="nofollow ugc">here</a>
This plugin uses 3rd Party or external service as listed below:
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Google Chart API. This is to generate the QR code image for the scanner app to download and upload file. 
The Google Chart API URL is http://chart.apis.google.com/chart?cht=qr&chs=200×200&chl
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WooPOS file transfer service. 
If the Product List QR code scanned, your products list including Sku, Decription(Title), Price, and Stock Quantities will be uploaded to WooPOS file server. 
If the Counted List QR code scanned, the counted list from the scanner including Sku and Quantities will be uploaded to WooPOS file server.
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WooCommerce POS Inventory Count

Product is an add-on for a paid service - not useful for anyone who does not use the clunky 1990s look WooPOS system. So basically just free advertising - not sure that it is even eligible to be on the repository with no functionality for free.

No function advertising product

Physical inventory count by barcode scanner. Bulk update stock quantity. Manage stock automatically with WooCommerce POS (WooPOS Point Of Sale)

Slim Bold

“Stock and Price Manager” Plugin allows you to easily manage your prices and stocks in your WooCommerce store.
You can easily manage all prices in one place, and you can also easily adjust your stock of all active products.
Would you like to increase or reduce your prices or stock levels?
This is no longer a problem! With this plugin you can do it easily.
Let’s say you have a product and want to increase the stock by 10. Then simply add 10 in the field (Stock Change) and click “Update”. And the stock of the product has increased by 10.
This also works if you want to reduce stock levels.
Let’s say you want to reduce the stock of a product by 10. Then simply add -10 in the (Stock Change) field and click “Update”. And the stock of the product has been reduced by 10.
You can of course customize several products at once. Simply fill in all the fields you want to customize and then click on “Update”.
<h4>Support</h4>
To be able to use this plugin you need to have WooCommerce installed and activated.
After you have done this you can click on the WooCommerce icon in the sidebar, then you will see in the submenu: “Manage Prices and Stocks”
If you then click on “Manage Prices and Stocks”, you will see all active products in the WooCommerce store.
You can now easily manage prices and stock levels from here.
Check list
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WooCommerce plugin installed and activated
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“Stock and Price Manager” Plugin Installed and activated
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Click on the left sidebar in the menu on WooCommerce
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Look in the submenu of WooCommerce for: “Manage Prices and Stocks”
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Stock and Price Manager

A plugin that makes it easy to manage prices and stocks in your WooCommerce store.

WooCommerce POS Inventory Count vs Stock and Price Manager