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This plugin allows you to create qr code either from current post/page url or custom provided content.

QR Code Generator by kodionica

This plugin creates qr code from added content.

sosidee

<h3>This plugin is a dynamic QR code generator</h3>
A dynamic QR code? 
Yes, the core idea is that information associated with the QR code is managed by the plugin rather than being encoded directly within the QR code itself: this is, in essence, the definition of a dynamic QR code.
In other words, Dynamic QR Code allows you to change the information linked to a QR code without having to alter the QR code itself. 
Additionally, scans of the QR codes are tracked and available for statistical analysis.
Let’s be straightforward with a few simple examples:
<blockquote>
SCENARIO: you want to store the web page of the pharmacy in duty in a QR code. 
 PROBLEM: the pharmacy changes with each shift, and you can’t (or don’t want to) rebuild and reprint the QR code every time. 
 SOLUTION: Dynamic QR Code allows you to change the pharmacy webpage URL without modifying the QR code itself.
SCENARIO: you want customers to be redirected to your current promotion webpage after scanning the QR codes you distributed to your resellers. 
 PROBLEM: the page URL changes frequently for various reason (e.g. you want to promote different products without continuously modifying the same webpage) but you don’t want to waste time rebuilding, reprinting and resending QR codes to your resellers. 
 SOLUTION: Dynamic QR Code permits you to change the redirect URL to your current promotion page without modifying the QR code image.
SCENARIO: you want to track the scans of your QR code to analyze data and gather statistical information. 
 PROBLEM: there’s no easy way to track the activity of people who scan static QR codes. 
 SOLUTION: Dynamic QR Code automatically tracks the scans and lets you download the data for statistical analysis.
SCENARIO: you want your customers to scan a QR code to view your restaurant’s menu. 
 PROBLEM: the menu changes every day of the week, so you would need 7 different QR codes would to cover the entire week. 
 SOLUTION: Dynamic QR Code generates a single QR code that redirects your customers to the appropriate menu depending on the day of the week.
</blockquote>
<h3>Types of scenarios for dynamic QR codes</h3>
<ul>
<li>You need a QR code with a link that can be modified without changing the QR code image.</li>
<li>You need to track how many times your QR code has been scanned.</li>
<li>You need a QR code that redirects users to different URLs depending on the date or on the day of the week.</li>
<li>You need a webpage that can only be accessed by scanning a QR code.</li>
<li>You need a QR code that can be scanned a limited number of times.</li>
<li>You need a QR code that opens a Facebook/Instagram/LinkedIn profile directly in the Facebook/Instagram/LinkedIn app (PRO feature).</li>
</ul>
Examples:
<ul>
<li>You want to track when customers open your products: print on them a dynamic QR code for something appealing for to customers (e.g. a giveaway lottery, a discount coupon, etc.) and gather the statistics.</li>
<li>You want to provide additional product information through videos that can change over time: use a dynamic QR code that redirects to the current video.</li>
<li>You want to measure customer engagement in your physical stores: dynamic QR codes allow you to track the user activity.</li>
<li>You want to measure the effectiveness of your marketing campaigns in the physical world: dynamic QR codes enable you be able to do so.</li>
<li>You want to provide information about your weekly program: use a dynamic QR code to show the schedule for the current day.</li>
<li>You want to display a prize voucher only to people that enter in your shop(s) and scan a QR code.</li>
<li>You want to open a YouTube video directly in the YouTube app (PRO feature).</li>
</ul>
See the <a href="https://support.sosidee.com/dynamic-qr-code/general-concepts/" title="tutorial" rel="nofollow ugc">online manual</a> for details.
<h3>GETTING STARTED</h3>
From the Dynamic QR Code plugin console, create a new QR-Code item:
<ul>
<li>enter a short description (something useful to you)</li>
<li>enter a unique key, i.e. a sequence of characters that has never been used for another QR-Code</li>
<li>set the redirect URL:
<ul>
<li>selecting a page/article of the WP website</li>
<li>entering a custom URL</li>
</ul>
</li>
<li>save the new QR-Code</li>
</ul>
Then use the QR-URL generated by the plugin to create the image of your QR code, or just download the image generated in the plugin page.
» Check the <a href="https://support.sosidee.com/dynamic-qr-code/" title="tutorial" rel="nofollow ugc">online manual</a> for details «
Note 
If you need to create QR-Codes with the same key, you have to activate the ‘Disable unique keys’ option on the Settings page: in this case, identical keys will generate identical qr code images and the redirect URL will be chosen either randomly or based on the conditions set in the QR-Code.
RANDOM REDIRECT 
If you want users to be randomly redirected to a URL chosen from several options:
<ul>
<li>activate the ‘Disable unique keys’ checkbox in the Settings page</li>
<li>create two or more QR-Codes with the same key but different URLs</li>
</ul>
Users will be redirected to a URL randomly selected from the available ones (i.e. among the URLs of the valid QR-Codes that share the same key as the one scanned).
Please note that the URL selection process uses a pseudo-random number generation. Therefore, do not use this feature for true lotteries or gambling games.
DATE-DEPENDENT REDIRECT 
If you want users to be redirected to different URLs depending on the date:
<ul>
<li>activate the ‘Disable unique keys’ checkbox on the Settings page</li>
<li>create two or more QR-Codes with
<ul>
<li>the same key</li>
<li>different date intervals of validity</li>
<li>different URLs</li>
</ul>
</li>
</ul>
The URL users are redirected to will depend on which QR-Code is valid on the scan date.
DAY-OF-THE-WEEK DEPENDENT REDIRECT 
If you want users to be redirected to different URLs depending on the day of the week:
<ul>
<li>activate the ‘Disable unique keys’ checkbox on the Settings page</li>
<li>create 7 QR-Codes with
<ul>
<li>the same key</li>
<li>different redirect URLs</li>
</ul>
</li>
<li>assign each QR-Code to a specific day of the week</li>
</ul>
EXCEPTION DATE FOR A DAY-OF-THE-WEEK DEPENDENT REDIRECT 
Let’s say you want your users to be redirected on Easter differently compared to the usual Sunday URL:
<ul>
<li>follow the DAY-OF-THE-WEEK DEPENDENT REDIRECT instructions to create 7 QR-Codes</li>
<li>then create another QR-Code with
<ul>
<li>the same key</li>
<li>the redirect URL set to the URL for Easter</li>
<li>the activation date set to the date of Easter</li>
<li>the priority checkbox activated</li>
</ul>
</li>
</ul>
If https://mydomain.com/sunday is the URL for Sunday and https://mydomain.com/easter is the URL for Easter, users will be redirected to https://mydomain.com/sunday on every Sunday except on Easter, when they’ll be redirected to https://mydomain.com/easter.
» Check the <a href="https://support.sosidee.com/dynamic-qr-code/" title="tutorial" rel="nofollow ugc">online manual</a> for more scenarios «
My FastAPP 
If you wish to use your QR-Code with <a href="https://wordpress.org/plugins/my-fastapp/" title="create a native app with WP" rel="ugc">My FastAPP</a> in order to track the single users’ scans, follow <a href="https://redirect.soslink.net/dynamic-qr-code/help/mfa" title="tutorial" rel="nofollow ugc">these instructions</a>.
<h3>Dynamic vs Static QR code</h3>
STATIC QR CODE
<ul>
<li>encoded information cannot be modified</li>
<li>tracking scan activity is complicated and often not straightforward</li>
</ul>
DYNAMIC QR CODE
<ul>
<li>embedded information can be changed</li>
<li>scans can be easily tracked and then analyzed</li>
</ul>
<h3>Statistics</h3>
QR code scans are logged and available for statistical analysis. 
Some basic statistics, available as PRO add-ons, include scan distributions grouped by date, day, device type, country, and more.
By enabling the My FastAPP options (available under the Settings menu), you can differentiate user activity using User Key values.

Dynamic QR Code – generator

Allows you to generate DYNAMIC QR CODES: you can modify what happens when scanning your QR code without actually modifying (and reprinting) it.

QR Code Generator by kodionica vs Dynamic QR Code – generator