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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.

Sharabindu

QR Code Composer automatically generates QR codes for your WordPress pages, posts, and WooCommerce products — without any manual setup.
No need to create QR codes one by one. Just install and everything works instantly.
Perfect for store owners, marketers, and businesses who want to save time and automate QR code usage.
👉<a href="https://wordpressqrcode.com/qr-codes-everything-you-need-to-know" rel="nofollow ugc">Demo for Page QR Code</a>
👉<a href="https://wordpressqrcode.com/what-is-a-qr-code" rel="nofollow ugc">Demo for Post QR Code</a>
👉<a href="https://wordpressqrcode.com/product/cap" rel="nofollow ugc">Demo for Product QR Code</a>
<h3>🔥 What You Can Do with This Plugin</h3>
<h3>🟢 Automatic QR Code Generation</h3>
<ul>
<li>Generate QR codes for pages, posts, products & custom post types</li>
<li>
Updates automatically when URLs change
</li>
<li>
Meta field supported
</li>
<li>Automatically generate QR codes from each author’s user bio and display it on their dashboard.</li>
<li>QR code Image can be downloaded from the backend and frontend</li>
</ul>
<h3>🟡 Custom QR Code Creation</h3>
<ul>
<li>Create QR codes for text, links, phone, email & WhatsApp</li>
<li>Display anywhere using shortcodes</li>
</ul>
<h3>🔵 WooCommerce Integration</h3>
<ul>
<li>Show QR codes on product pages</li>
<li>Generate customer QR codes in My Account page</li>
</ul>
<h3>🚀 Upgrade to Pro – Unlock Advanced QR Features</h3>
Take your QR codes to the next level with QR Code Composer Pro:
👉<a href="https://wordpressqrcode.com/" title="Pro Demo QR code Composer" rel="nofollow ugc">View Pro Demo</a>
👉<a href="https://sharabindu.com/plugins/wordpress-qr-code-generator/" rel="nofollow ugc">Upgrade to PRO</a>
👉 <a href="https://wordpressqrcode.com/docs/introduction/" title="Documents" rel="nofollow ugc">Documents</a>
Branded QR Code: Create QR codes that match your brand with flexible design options — including circular, square, dotted, and rounded styles. Customize colors and shapes to generate clean, professional-looking QR codes that fit perfectly with your website design. <a href="https://qrcode.woocommercebarcode.com/wp-admin/admin.php?page=qr_composer" rel="nofollow ugc">Admin Demo for premium version</a>
Eye Frame Shape QR code: Premium QR code eye frame shape can be changed and gradient color can be added supported color. Shape types are: Square, Circle, Classy, and Classy rounded.
Eye Ball Shape QR code: Premium QR code eyeball shape can be changed and gradient color can be added supported color. Shape types are Square, Circle, and Classy.
Gradient Color QR code: Gradient Design QR Code. It has the shape of an eye frame. and design in the form of eyeballs. And the advantage of using gradient colors in each element. Attractive gradient color QR code generator in the premium version
Logo Image Upload: The premium version supported the Logo in the center of the QR code.
Woocommerce Order QR Code: It will automatically generate a QR code for every new order and old order. You can control the content of the QR code from the plugin settings page. You can view the order QR code in the WooCommerce order dashboard. <a href="https://qrcode.woocommercebarcode.com/wp-admin/admin.php?page=qrc_ordermail" rel="nofollow ugc">Admin Demo for Order QR</a>
Order QR Code on Email: After an order is completed the order QR code will be printed in the WooCommerce order email. WC order email QR codes can be created from different elements. It is completely in your hands to control what elements you want to add. <a href="https://qrcode.woocommercebarcode.com/wp-admin/admin.php?page=codemanas-woocommerce-preview-emails" rel="nofollow ugc">Order email Demo</a>
Bulk vCard Generator: The Plugin generates bulk vCrad QR codes based on post type. Suppose you have a custom post type called ‘Developer’. Now looking to create a separate vCrad QR for each developer. Then go to the developer’s edit page and you will see a meta field called vCard QR. Fill in the required information and save. According to the information, a vCard QR code will be generated for a developer. Thus every developer can create vCrad QR for it. This vCard QR code has auto-display features, which will be on the frontend and back end. Besides, there is a shortcode facility
Event management QR Code: Event QR Code is a solution that simplifies event marketing and planning. Currently, event QR code is a very popular medium. The Premium plugin Creates an Event QR code with event details, time, and event location.
WP Author QR Code: This QR code is for all WordPress authors and users. The plugin has built-in shortcodes. Shortcodes are used to display on the front end.
WiFi QR Code: Scan the QR Code to Connect To Any WiFi Network Instantly. A WiFi QR Code is a solution that lets you create QR Codes to connect to the internet.
QR Code for Google Maps: Users can create a QR code location for the address. This way, the company location can be found simply by scanning the code.
Elementor QR code generator: If you have the Elementor Page Builder plugin active on your WordPress website. you can easily generate a QR code with our plugin’s built-in addon. We have introduced the “QR Code Composer” addon to generate QR codes with Elementor. <a href="https://qrcode.woocommercebarcode.com/wp-admin/post.php?post=2984&action=elementor" rel="nofollow ugc">Elementor demo</a>
<h4>Integration</h4>
BBPress User QR Code: Premium plugin generates QR codes for bbPress users. you can generate QR codes for users’ profile links. Similarly, you can generate vCard QR code based on user profile information
BuddyPress User QR Code This plugin generates QR codes for BuddyPress users. If your site has the BuddyPress plugin active. you can generate QR codes for users’ profile links. Similarly, you can generate vCard QR code based on user profile information,
Dokan vendor QR code The QR Code Composer Pro plugin generates QR codes for Dokan vendors. If your site has the Dokan plugin active. you can generate QR codes for the vendor’s profile links. Similarly, you can generate vCard QR code based on vendor profile information
<h4>Other Features</h4>
Bulk print QR images as a PDF: Bulk QR codes can be printed from the plugin’s dashboard or the front end via built-in shortcodes. You can use the filter by category. This will print out as a PDF.. <a href="https://qrcode.woocommercebarcode.com/wp-admin/admin.php?page=qrc_print_pdf" rel="nofollow ugc">Admin Demo</a>
Download all Post types of QR codes from one page This plugin allows the download of all QR codes based on Post type . and it is from one page. <a href="https://qrcode.woocommercebarcode.com/wp-admin/admin.php?page=qrc_list_view" rel="nofollow ugc">Admin Demo</a>
Download All vCard QR codes from one page The plugin allows the download of all Post types of vCard QR Code Images from One Page. <a href="https://qrcode.woocommercebarcode.com/wp-admin/admin.php?page=qrc_vcardlist" rel="nofollow ugc">Admin Demo</a>
WordPress Widget: The QR code plugin supports widget API. This means you can generate a QR code through a WordPress widget. <a href="https://qrcode.woocommercebarcode.com/wp-admin/widgets.php" rel="nofollow ugc">Widget Demo</a>
Shortcode Generator: On the plugin’s settings page, you’ll find the shortcode generator. From here let’s create shortcodes for all elements. Shortcodes for Custom Link QR, Whatsapp QR, WIFI QR, Google Map QR, vCard QR, and Event QR, can be generated through this generator. Also, you can customize many things including changing the design, color, logo, and animation of the QR code. Check out the live backend demo below <a href="https://qrcode.woocommercebarcode.com/wp-admin/admin.php?page=qrc_shortcode" rel="nofollow ugc">View Shortcode Geneator</a>
<h4>⭐ We Value Your Feedback</h4>
Your feedback helps us grow! 
If you enjoy QR Code Composer, please share your experience and leave a rating. It means a lot.
<h4>Technical Excellence</h4>
Built using modern standards, QR Code Composer works smoothly with all major WordPress themes and plugins. It’s lightweight, clean, and designed to keep your website fast and secure.
Want an easier way to connect with your audience? Install QR Code Composer today and start creating useful, engaging QR codes in just a few minutes!
<h4>How to add QR codes to a WordPress website</h4>
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/5m0W-1mkydE?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>

QR Code Composer – Automatic QR Code Generator

Auto-generate QR codes for WordPress pages, posts & WooCommerce — no manual setup required.

EffortLess QR Code Generator vs QR Code Composer – Automatic QR Code Generator