Guaven Labs

The plugin simply adds “Tips” field to your website’s WooCommerce Checkout Form. 
It can add it as a native fee and via the Notice box as well.
Once the plugin is installed and activated, you will have a new field in the Checkout Form where your customers can add optional tip&donation.
<h3>Documentation</h3>
https://guaven.com/docs/tips-donations-at-checkout/

Tips & Donations at WooCommerce Checkout

The plugin simply adds "Tips" field to your website's WooCommerce Checkout Form.

howdytheme

Donation or Tip For WooCommerce is the easiest way to collect donations or tips from your customers directly on the WooCommerce cart and checkout pages. Whether you’re running a non-profit, a charitable store, or simply want to give customers the option to leave a gratuity, this plugin has everything you need — for free.
With flexible display options, full color and text customization, and support for both fixed and percentage-based amounts, you can tailor the donation experience to match your brand and goals in minutes.
<h3>Why Use Donation or Tip For WooCommerce?</h3>
Many store owners want to collect donations or tips at checkout but find existing solutions too complex or too expensive. This plugin solves that with a lightweight, beginner-friendly setup and a one-time optional upgrade — no recurring subscription required.
<blockquote>
⭐ “Free or $20 for a one-time paid version, which is a good deal, especially for a non-profit.” — Verified User
</blockquote>
<h3>Key Features</h3>
Display & Placement 
* Show donation/tip field on the cart page, checkout page, or both 
* Choose the field position on each page independently 
* Enable or disable the donation field at any time with a single toggle
Amount Options 
* Offer predefined donation amounts (fixed dollar values or percentage of cart total) 
* Allow customers to enter a custom amount via a free-text input field 
* Enable or disable an “Other” option alongside predefined values
Style & Customization 
* Display predefined amounts as buttons or a dropdown menu 
* Customize button text, background color, and text color 
* Adjust font size for all donation field text 
* Show or hide a remove/clear donation button
Order Management 
* Display the donation amount on the order view table so customers and admins always see it clearly 
* Compatible with WooCommerce order emails and admin order screens
<h3>Perfect For</h3>
<ul>
<li>Non-profit organizations accepting charitable contributions</li>
<li>Restaurants and food stores collecting tips at checkout</li>
<li>Freelancers and service providers offering gratuity options</li>
<li>Any WooCommerce store looking to increase revenue through optional giving</li>
</ul>
<h3>How It Works</h3>
<ol>
<li>Install and activate the plugin.</li>
<li>Navigate to WooCommerce → Donation/Tip Settings in your WordPress dashboard.</li>
<li>Configure your donation title, amounts, display style, and colors.</li>
<li>Enable the field on your cart and/or checkout page.</li>
<li>Start collecting donations and tips immediately — no code required.</li>
</ol>
<h3>Frequently Asked Questions</h3>
Does this work with my WooCommerce theme? 
Yes. The plugin integrates directly with WooCommerce’s standard cart and checkout hooks, making it compatible with virtually all WooCommerce-compatible themes.
Can I offer both fixed amounts and a custom input field? 
Absolutely. You can enable predefined amounts (fixed or percentage-based) alongside a free-text “Other” field so customers can enter any amount they choose.
Is the donation amount visible on the order confirmation? 
Yes. You can enable the donation/tip to appear in the order view table, so both the customer and store admin can see it clearly on the order summary and in WooCommerce order management.
Does this plugin support percentage-based tips? 
Yes. You can set predefined amounts as either a fixed currency value or a percentage of the cart subtotal — ideal for tip-style use cases.
Is there a premium version? 
Yes. A one-time paid upgrade is available for $20 with no recurring fees, making it an affordable option for non-profits and small businesses.

Donation or Tip For WooCommerce

Add a customizable donation or tip field to your WooCommerce cart and checkout page. Support fixed amounts, percentage tips, and custom input — no cod …

Tips & Donations at WooCommerce Checkout vs Donation or Tip For WooCommerce