udidol

The Add Chat App Button plugin enables adding a customizable click-to-chat WhatsApp button. 
The plugin lets you choose between a simple WhatsApp icon and a rectangle with a custom text label (see screenshots).
<h3>Usage</h3>
To enable the WhatsApp button, check the first checkbox in the settings page. You will find the settings page in the admin dashboard menu, under Settings->Add Chat App Button.
You must enter an international phone number (only numbers, NO plus sign (+), NO dashes(-)) in order to enable the WhatsApp button. Even if you manage to save settings into the database without entering a phone number, your button might not work properly.
The plugin settings page has two tabs: “General Settings” and “Button Design”.
The General Settings tab includes options such as limiting the button to only display under a certain screen resolution (in pixels), attaching a default message that will be populated in the user’s phone when they click the button, and more.
The Button Design tab includes controls for the button color, label text color, button type (side-bearing rectangle, WhatsApp icon, fixed-bottom button), and more. The Button Design tab also includes a smartphone mockup with a live preview screen, enabling you to see a real-time (estimated) rendering of how your button would look, on the fly, as you are changing its design.
The plugin detects whether the site visitor is using a desktop or mobile device and serves a different link for each accordingly.

Add Chat App Button

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Add Chat App Button enables adding a customizeable click-to-chat button that opens a chat on WhatsApp. This plugin is not affiliated with WhatsApp or  …

abracket

Bytepaper WhatsApp Chat Widget allows you to easily add a floating WhatsApp chat button to your website. Visitors can instantly start a conversation with you via WhatsApp on desktop and mobile devices.
The plugin is lightweight, secure, and built following WordPress coding standards. It does not load unnecessary scripts or external resources.
Perfect for business websites, service providers, agencies, and online stores who want direct communication with visitors.
<h4>Key Features</h4>
<ul>
<li>Floating WhatsApp chat button</li>
<li>Custom phone number support</li>
<li>Customizable default message</li>
<li>Desktop and mobile URL support</li>
<li>Open link in same tab or new tab</li>
<li>Lightweight and optimized</li>
<li>Fully translatable</li>
<li>No external libraries or tracking</li>
<li>Loads assets only when required</li>
</ul>
<h3>Third-Party Service & Privacy</h3>
This plugin connects to WhatsApp (wa.me) to facilitate chat. No user data is stored on our servers, but the user’s phone number and message are passed to WhatsApp’s API to initiate the conversation.
Your use of this service is subject to WhatsApp’s legal terms: 
* WhatsApp Terms of Service: https://www.whatsapp.com/legal/terms-of-service 
* WhatsApp Privacy Policy: https://www.whatsapp.com/legal/privacy-policy

Bytepaper Click-to-Chat Widget

A lightweight WhatsApp chat widget that adds a floating chat button to your WordPress website.

Add Chat App Button vs Bytepaper Click-to-Chat Widget