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Simple Invoice Generator is a lightweight, easy-to-use WordPress plugin for generating PDF invoices. It also includes powerful WooCommerce support, allowing automatic invoice generation when customers complete an order.
🎉 WooCommerce Integration! 
Automatically generate and attach a PDF invoice when a WooCommerce order is placed (e.g. after checkout or when an order is marked as completed). 
You can enable or disable automatic invoice generation from the plugin settings page with a simple checkbox.
Also you can view and download the generated invoice directly from the order admin screen.
<h3>Core features:</h3>
<ul>
<li>Input invoice details (bill from / to, items, prices, tax, currency, etc.)</li>
<li>Automatically generates WooCommerce order invoices with proper customer data</li>
<li>Choose between two built-in PDF styles: Standard and Blue Accent</li>
<li>Upload a custom logo to display on the invoice</li>
<li>Preview and download the PDF file</li>
<li>All done without storing anything in the database</li>
</ul>
Great for freelancers, small businesses, or WooCommerce shops needing a simple invoice workflow!
<h3>Usage</h3>
🧾 Manual Invoice Creation 
1. Go to the Invoice Generator menu item in your admin panel. 
2. Fill in invoice details: invoice number, dates, billing info, line items, currency, and tax. 
3. Optionally upload a logo to include on your invoice. 
4. Select your preferred template style: Standard or Blue Accent. 
5. Click Generate Invoice to create and download your PDF.
🛒 WooCommerce Invoices 
– When a WooCommerce order is completed (or placed), an invoice is automatically generated. 
– You’ll see the Invoice PDF download link directly inside the WooCommerce order admin panel. 
– The generated invoice uses the order’s billing data, products, prices, currency, and tax details.
🛠️ Controlling Automatic Invoice Generation 
You can toggle the automatic generation of invoices for WooCommerce orders on or off in the plugin settings:
<ol>
<li>Go to Invoice Generator > Settings in the WordPress admin menu.</li>
<li>Find the WooCommerce Integration checkbox.</li>
<li>Check it to enable automatic invoice generation, or uncheck to disable.</li>
<li>Save changes.</li>
</ol>
This gives you full control to disable invoice generation if you want to handle invoices manually or with another system.
<h3>License</h3>
This plugin is licensed under the GPLv2 or later.

Simple Invoice Generator

Generate beautiful PDF invoices from WP admin — with optional WooCommerce integration. No database needed, all done on the fly.

pravel

SignUp & SignIn is a flexible, open-source plugin built on WordPress. Easy way to built signup and login process in your wordpress site
With the help of this plugin, Shop owner will be able to send invoices to his/her customers. Shop owner can select his/her products while generating invoice. Shop owner also can write name of products/services manually in the invoice.
Admin can add shorcode for signup and login, no need to do extra settings for that.
All ajax base code with all field validation.
Email verification is in-built in plugin, user get mail after successfully signup with 4 digit verification code. On the next step of signup user need to add verification code and verify his account.
User can reset password, Forgot Password funcationality is in-built in SignUp & SignIn plugin, user will get forgot password link in his mail and click on this link user can easily reset password.
Shorcodes for this plugin 
1. Signup Form = [pravel_invoice_signup_form] 
2. Login Form = [pravel_invoice_login_form] 
3. Forgot Password Form = [pravel_invoice_forgotpassword_form] 
4. Edit account and edit business detail = 
5. Invoice Generator = [pravel_invoice_form] 
6. Manage Product = [pravel_product_page] 
Admin can use these shortcodes anywhere like pages, post, popup..

Invoice Generator

SignUp & SignIn is a flexible, open-source plugin built on WordPress. Easy way to built signup and login process in your wordpress site

Simple Invoice Generator vs Invoice Generator