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Effortless QR Code Generator is a WordPress plugin that allows you to create QR codes using a simple shortcode. It supports both client-side JavaScript rendering and server-side PHP rendering.
<h4>Features</h4>
<ul>
<li>Simple shortcode: Use <code>[effortless_qrcode url="https://example.com"]</code> to generate QR codes</li>
<li>Dual rendering modes: Client-side (JavaScript) or server-side (PHP/PNG)</li>
<li>Developer API: Generate QR codes programmatically from your plugins/themes</li>
<li>Customizable size: Control QR code dimensions (100-500 pixels)</li>
<li>Custom colors: Set dark and light colors for the QR code</li>
<li>Error correction levels: Choose L, M, Q, or H</li>
<li>Cached PNG images: Server-rendered QR codes are cached in the uploads folder</li>
<li>Responsive design: QR codes adapt to different screen sizes</li>
<li>No external dependencies: All code is bundled locally</li>
<li>Privacy-friendly: No data sent to external services</li>
<li>Accessibility ready: Proper alt text support</li>
<li>Performance optimized: Scripts load only when needed</li>
</ul>
<h4>Shortcode Parameters</h4>
<ul>
<li><code>url</code> – The URL to encode (required)</li>
<li><code>size</code> – Size in pixels (default: 150, min: 100, max: 500)</li>
<li><code>color_dark</code> – Dark color in hex format (default: #000000)</li>
<li><code>color_light</code> – Light color in hex format (default: #ffffff)</li>
<li><code>render</code> – Rendering mode: “client” or “server” (default: client)</li>
<li><code>ecc</code> – Error correction level: L, M, Q, H (default: M)</li>
<li><code>alt</code> – Alt text for accessibility (server rendering only)</li>
<li><code>class</code> – Additional CSS class (server rendering only)</li>
<li><code>data</code> – Arbitrary data to encode (plain text, WiFi, vCard, etc.). When set, overrides <code>url</code> and disables <code>link</code></li>
<li><code>link</code> – Wrap QR code in a clickable link: “yes” or “no” (default: no). Only works with URL content, ignored when <code>data</code> is used</li>
<li><code>title</code> – Tooltip text shown on hover</li>
<li><code>target</code> – Link target attribute: “_blank”, “_self”, etc. (default: _blank)</li>
</ul>
<h4>Usage Examples</h4>
Basic usage (client-side): 
 [effortless_qrcode url=”https://example.com”]
Server-side rendering: 
 [effortless_qrcode url=”https://example.com” render=”server”]
With custom size and colors: 
 [effortless_qrcode url=”https://example.com” size=”200″ color_dark=”#0073aa”]
Server-side with high error correction: 
 [effortless_qrcode url=”https://example.com” render=”server” ecc=”H” alt=”Scan me”]
<h4>PHP API for Developers</h4>
Third-party plugins and themes can generate QR codes programmatically using the <code>Effortless_QRCode_Native</code> class.
Basic Usage:
<pre><code><?php
// Make sure the plugin is active
if ( class_exists( 'Effortless_QRCode_Native' ) ) {

 // Generate a QR code PNG
 $result = Effortless_QRCode_Native::generate_png( 'https://example.com' );

 if ( $result ) {
 echo '<img src="' . esc_url( $result['url'] ) . '" alt="QR Code">';
 }
}
?>
</code></pre>
With Custom Options:
<pre><code><?php
$result = Effortless_QRCode_Native::generate_png(
 'https://example.com', // Data to encode (required)
 200, // Size in pixels (default: 150)
 '#0073aa', // Dark color (default: #000000)
 '#ffffff', // Light color (default: #ffffff)
 'H', // ECC level: L, M, Q, H (default: M)
 4 // Margin in modules (default: 4)
);

if ( $result ) {
 // $result['url'] - Public URL to the PNG image
 // $result['path'] - Server filesystem path to the PNG file
 // $result['debug'] - Debug information string
}
?>
</code></pre>
Display in a Template:
<pre><code><?php
if ( class_exists( 'Effortless_QRCode_Native' ) ) {
 $result = Effortless_QRCode_Native::generate_png( get_permalink() );

 if ( $result ) : ?>
 <div class="my-qr-code">
 <img src="<?php echo esc_url( $result['url'] ); ?>"
 alt="<?php esc_attr_e( 'Scan to visit this page', 'my-theme' ); ?>"
 width="150"
 height="150">
 </div>
 <?php endif;
}
?>
</code></pre>
<h4>API Reference</h4>
Effortless_QRCode_Native::generate_png( $data, $size, $color_dark, $color_light, $ecc, $margin )
Generates a QR code PNG image and saves it to the WordPress uploads folder.
Parameters:
<ul>
<li><code>$data</code> (string) – Required. The data to encode (URL, text, etc.)</li>
<li><code>$size</code> (int) – Optional. Image size in pixels. Default: 150</li>
<li><code>$color_dark</code> (string) – Optional. Hex color for dark modules. Default: ‘#000000’</li>
<li><code>$color_light</code> (string) – Optional. Hex color for light modules. Default: ‘#ffffff’</li>
<li><code>$ecc</code> (string) – Optional. Error correction level (L, M, Q, H). Default: ‘M’</li>
<li><code>$margin</code> (int) – Optional. Quiet zone margin in modules. Default: 4</li>
</ul>
Returns:
Array on success with keys: 
* <code>url</code> – Public URL to the generated PNG image 
* <code>path</code> – Server filesystem path to the PNG file 
* <code>debug</code> – Debug information string
Returns <code>false</code> on failure.
Notes:
<ul>
<li>Images are cached based on all parameters (same input = same file)</li>
<li>Files are stored in <code>wp-content/uploads/effortless-qrcodes/</code></li>
<li>Requires GD library for PNG generation</li>
</ul>
<h4>Error Correction Levels</h4>
<ul>
<li>L – 7% recovery capacity (smallest QR code)</li>
<li>M – 15% recovery capacity (default, good balance)</li>
<li>Q – 25% recovery capacity</li>
<li>H – 30% recovery capacity (largest QR code, best for print)</li>
</ul>
Higher error correction allows the QR code to be read even if partially damaged or obscured.
<h4>Privacy</h4>
This plugin does not collect, store, or transmit any personal data. QR codes are generated locally (either in the browser or on your server).
<h4>Requirements</h4>
<ul>
<li>PHP 7.4+ with GD library (for server-side PNG generation)</li>
<li>WordPress 5.0+</li>
<li>JavaScript enabled (for client-side rendering only)</li>
</ul>

EffortLess QR Code Generator

Generate QR codes easily with a simple shortcode. Supports client-side (JavaScript) and server-side (PHP/PNG) rendering with a developer API.

hitpay

HitPay Payment Solutions Pte Ltd

HitPay Payment Gateway Plugin allows HitPay merchants to accept PayNow QR, Cards, Apple Pay, Google Pay, WeChatPay, AliPay and GrabPay Payments.
This plugin would communicate with 3rd party HitPay payment gateway(https://www.hitpayapp.com/) in order to process the payments.
Merchant must create an account with HitPay payment gateway(https://www.hitpayapp.com/).
Pay only per transaction. No monthly, setup, admin or any hidden service fees.
Merchant once created an account with HitPay payment gateway(https://www.hitpayapp.com/), they can go to thier HitPay dashboard and choose the payment options they would to avail for their site.
And merchant need to copy the API keys and Salt values from the HitPay Web Dashboard under Settings > Payment Gateway > API Keys
<h3>Configuration</h3>
<ol>
<li>Go to WooCommerce settings</li>
<li>Select the “Payments” tab</li>
<li>Activate the payment method (if inactive)</li>
<li>Set the name you wish to show your users on Checkout (for example: “HitPay or Creditcard”)</li>
<li>Fill the payment method’s description (for example: “Pay with HitPay”)</li>
<li>Copy the API keys and Salt values from the HitPay Web Dashboard under Settings > Payment Gateway > API Keys</li>
<li>Select the payment gateway logos.</li>
<li>Click “Save Changes”</li>
<li>All done!</li>
</ol>

HitPay Payment Gateway for WooCommerce

HitPay Payment Gateway Plugin allows HitPay merchants to accept PayNow QR, Cards, Apple Pay, Google Pay, WeChatPay, AliPay and GrabPay Payments.

EffortLess QR Code Generator vs HitPay Payment Gateway for WooCommerce