Steve Grunwell

Buckeye Interactive

<p>This plugin adds silent duplicate detection to the popular <a href="http://www.gravityforms.com/" rel="nofollow ugc">Gravity Forms</a> WordPress plugin. The goal is to prevent Gravity Forms from creating multiple entries when an impatient user double-, triple, or full-on secret-combo-move-clicks his/her mouse when submitting a form. No modifications to your forms is necessary, it just works.</p>
<h4>How does it work?</h4>
<p>The plugin prevents duplicate submissions in two ways: first, a small bit of JavaScript is loaded into the page that disables the submit button(s) on form submit. Second, the plugin creates a cryptographic hash of the form data upon submission. This unique hash is compared to a hash stored in a PHP session (if available) and, if a matching hash is found, the form data is altered to simulate a failing honeypot condition. Like with all failed honeypots, Gravity Forms will skip saving the data or sending any notifications but the form will appear (to the user) to have been submitted successfully.</p>
<p>Plugin development can be tracked on the project’s Github Page: <a href="https://github.com/buckii/gravity-forms-duplicate-prevention" rel="nofollow ugc">https://github.com/buckii/gravity-forms-duplicate-prevention</a></p>


Gravity Forms Duplicate Prevention

This is a great plugin! We've had issues with forms that allow users to upload files; if the files were fairly large (and the website was on a slower server) the form would take a bit longer to process.  This plugin helped stop duplicate submissions when the user was getting impatient and pressing the submit button multiple times.  Thanks a bunch!



Great plugin!

This one works now : https://wordpress.org/plugins/gf-prevent-duplicates/
Thanks anyway

Does not work anymore but...

Silently prevent duplicate Gravity Form submissions.

Jake Jackson

<p><strong>Gravity PDF is the ultimate third-party PDF automation tool for generating digital PDFs using the popular form-builder plugin Gravity Forms.</strong></p>
<h4>Highly Customizable PDFs</h4>
<p>Out of the box you get four highly-customizable PDF designs. Within minutes, you can personalize the look and feel by adding your company logo, header, footer, paper size / orientation, font, color and size. If the free designs don’t suit, select from our range of templates in the <a href="https://gravitypdf.com/store/#templates" rel="nofollow ugc">Template Shop</a>, <a href="https://gravitypdf.com/bespoke/" rel="nofollow ugc">go bespoke and have a template build by our team</a>, or <a href="https://docs.gravitypdf.com/v6/developers/start-customising" rel="nofollow ugc">build your own using HTML/CSS/PHP</a>.</p>
<h4>Send as Email Attachment</h4>
<p>Gravity PDF can automatically email the PDF to both the admin and the user as soon as the form is completed. You can combine this feature with a Gravity Forms payment add-on <a href="https://gravitypdf.com/news/sell-personalized-pdf-documents-using-gravity-forms/" rel="nofollow ugc">to sell personalized reports, gift certificates, or generate PDF invoices</a>.</p>
<h4>Privacy, Security, and GDPR</h4>
<p>Gravity PDF generates PDFs on your web server, and no third-party service receives your sensitive Gravity Forms entry data. <a href="https://docs.gravitypdf.com/v6/users/pdf-security" rel="nofollow ugc">Robust security protects your documents</a>, and <a href="https://docs.gravitypdf.com/v6/users/gdpr-and-gravity-pdf" rel="nofollow ugc">the plugin is GDPR-compliant</a> for our European friends.</p>
<blockquote>
<p>Digital document management with WordPress and Gravity Forms just became simple with Gravity PDF!</p>
</blockquote>
<h4>Free Feature</h4>
<ul>
<li><strong>Unlimited Use, No Restrictions</strong> – There are zero hard limits to the number of PDFs you can configure across all your forms or generate on your entries. Gravity PDF does <strong>NOT</strong> stamp documents with our logo, limit the number of PDFs you can create per month, or purposefully restrict essential functionality to force you to upgrade to a paid plan.</li>
<li><strong>Privacy and Security</strong> – your form data is never sent to a third party to generate the PDFs and the documents are generated directly on your web server. <a href="https://docs.gravitypdf.com/v6/users/pdf-security#default-security" rel="nofollow ugc">Strong access control policies are put in place</a> to prevent unauthenticated access to your PDFs.</li>
<li><strong>Multilingual</strong> – a multitude of languages from across the globe can be displayed in PDFs, include complex scripts like Hebrew, Arabic, Thai, Japanese, Chinese, and Korean.</li>
<li><strong>Additional Fonts</strong> – match your branding and enhance the overall look and feel of PDFs by install your own fonts.</li>
<li><strong>Columns</strong> – use <a href="https://docs.gravityforms.com/working-with-columns/" rel="nofollow ugc">Drag and Drop columns</a> in Gravity Forms and <a href="https://docs.gravitypdf.com/v6/users/columns" rel="nofollow ugc">PDFs will automatically mimic that layout</a>.</li>
<li><strong>Shortcode and Merge Tags</strong> – You can generate a link or URL to PDFs <a href="https://docs.gravitypdf.com/v6/users/shortcodes-and-mergetags" rel="nofollow ugc">using both shortcodes and merge tags</a> so your users can download the PDF right after form submission.</li>
<li><strong>Export Entries</strong> – include the direct link to any PDF(s) when <a href="https://docs.gravitypdf.com/v6/users/include-pdfs-in-entry-export" rel="nofollow ugc">exporting your form entries</a></li>
<li><strong>Webhooks Add-on</strong> – <a href="https://docs.gravitypdf.com/v6/users/webhooks-support" rel="nofollow ugc">send the direct PDF link with Webhook requests</a> when using Gravity Forms Webhooks add-on.</li>
<li><strong>Gravity Flow</strong> – create complex workflows <a href="https://gravityflow.io" rel="nofollow ugc">using Gravity Flow</a> and automatically email Gravity PDF-generated documents at any step in the workflow.</li>
<li><strong>GravityView</strong> – add links to PDFs when building a members area <a href="https://gravityview.co" rel="nofollow ugc">using GravityView</a> + <a href="https://gravityview.co/extensions/advanced-filter/" rel="nofollow ugc">Advanced Filtering add-on</a>.</li>
<li><strong>Background Processing</strong> – generating PDFs on form submission can be time consuming. <a href="https://docs.gravitypdf.com/v6/users/background-processing" rel="nofollow ugc">Offload it to a background process</a> will ensure form submissions are processed faster.</li>
<li><strong>Design PDFs</strong> – developers can build their own PDF templates using HTML, CSS, and PHP <a href="https://docs.gravitypdf.com/v6/developers/start-customising" rel="nofollow ugc">with the help of our developer documentation</a>.</li>
<li><strong>Documentation and Support</strong> – there is <a href="https://docs.gravitypdf.com/v6/users/five-minute-install" rel="nofollow ugc">extensive documentation</a> covering every feature of Gravity PDF that you can comb through, plus we provide <a href="https://gravitypdf.com/support/" rel="nofollow ugc">free general support to all users</a>.</li>
</ul>
<h4>Unlock More Functionality</h4>
<p>Pay for additional PDF designs and functionality <a href="https://gravitypdf.com/store/" rel="nofollow ugc">from our online store</a>.</p>
<ul>
<li><strong>New Designs</strong> – get access to 9 additional universal designs, 6 certificates, 6 invoices, and 3 letter styles</li>
<li><strong>Additional customizations</strong> – watermark PDFs with your own logo or text, control fields that should be displayed per PDF, add field descriptions, display all checkbox or radio field options, add notes, show field values instead of labels, and hide the product table</li>
<li><strong>On-screen Preview</strong> – allow users to preview the PDF before form submission (and optionally payment) so they can see what the end result will be. This is a great feature for capturing e-signatures, selling PDF reports /  certificates / gift cards, or providing an on-screen proof before the PDF is sent to the printers (perfect for business cards).</li>
<li><strong>Bulk Download</strong> – search, filter, and select entries and then zip up all your PDFs and download all together in a convenient zip file</li>
<li><strong>Smart Loading Indicator</strong> – improve the UX for your users when generating complex PDFs that take time to create.</li>
<li><strong>GravityView</strong> – turn <a href="https://www.gravitykit.com/products/gravityview/" rel="nofollow ugc">GravityView</a> into a drag-and-drop PDF builder for your Single Entry View Layouts.</li>
<li><strong>GFChart</strong> – create PDF reports that display pie, bar, or column charts with aggregate Gravity Forms data <a href="https://gfchart.com" rel="nofollow ugc">using GFChart</a>.</li>
<li><strong>30-Day Refund Guarantee</strong> – Purchase with confidence knowing when you buy a product from our store that you can get a refund within 30 days, for any reason.</li>
</ul>
<h4>Hire the Experts</h4>
<p>Need a tailor-made solution for Gravity PDF that solves complex business problems? Our team of experienced developers have helped thousands of businesses like yours to accomplish these goals. We can even fill existing PDFs like government forms, without sending your sensitive entry data to a third-party server! <a href="https://gravitypdf.com/bespoke/" rel="nofollow ugc">Find out more</a>.</p>
<h4>Documentation & Support</h4>
<p><a href="https://docs.gravitypdf.com/v6/users/five-minute-install/" rel="nofollow ugc">We have extensive documentation on using Gravity PDF</a>, and our friendly support team provides <a href="https://gravitypdf.com/support/#contact-support" rel="nofollow ugc">FREE basic support via GravityPDF.com</a>.</p>
<h4>Contribute</h4>
<p>All development for Gravity PDF <a href="https://github.com/GravityPDF/gravity-pdf/" rel="nofollow ugc">is handled via GitHub</a>. Opening new issues or submitting a pull request is welcome.</p>
<p>Keep up to date with Gravity PDF by <a href="https://gravitypdf.com/signup/" rel="nofollow ugc">subscribing to the newsletter</a>, <a href="https://twitter.com/gravitypdf" rel="nofollow ugc">following us on Twitter/X</a>, <a href="https://www.youtube.com/gravitypdf" rel="nofollow ugc">subscribing to our YouTube channel</a>, and <a href="https://www.facebook.com/gravitypdf" rel="nofollow ugc">liking us on Facebook</a>.</p>
<p>If you enjoy using the software <a href="https://www.g2.com/products/gravity-pdf/reviews" rel="nofollow ugc">we’d love it if you could give us a review!</a></p>


Gravity PDF

Need to tweak a template oh so slightly.. they replied (same day).  plugin is exactly what we needed!

great plugin, great support

I am really enjoying using this plugin and the customization that it provides, not only that, but when I, as a free user, submitted a support request, I received a helpful answer. Super impressed!

Powerful tool, helpful support


Amazing plugin from a great team. Support has been excellent, product is perfect.


Fantastic Plugin

Automatically generate, email and download PDF documents from Gravity Forms entries

Gravity Forms Duplicate Prevention vs Gravity PDF