How to Add A Full Screen Popup App to a Tumblr Website

The easy way to add Full Screen Popup to Tumblr in minutes without coding or needing help from a developer.

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Steps to Add a Full Screen Popup App on a Tumblr Site

Create your customized Full Screen Popup app, match your website's style and colors, and add Full Screen Popup to your Tumblr page, post, sidebar, footer, or wherever you like on your site.

How To Add a Full Screen Popup App on Tumblr:

  1. Create a Free Full Screen Popup App

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  2. Edit Appearance

    Go to Account Settings > Edit Appearance > Edit Theme.
  3. Edit HTML

    Click on the Edit HTML link underneath Custom Theme.
  4. Paste Script

    Paste this exact POWR script into the HTML file, in between the Head tags. Then click Update, and save.
  5. Create New Text Post

    Back inside the Tumblr blog editor, add a new Text Element.
  6. Paste Shortcode

    Paste the shortcode into the post. Then save. If you expand the post, you will see your new POWR Full Screen Popup.Click the POWR Settings Icon to open the POWR Editor.
  7. Begin to alter the Full Screen Popup plugin:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Full Screen Popup plugin.

Not sure if our Full Screen Popup app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

Congratulations on publicizing your business online with Tumblr!


The next step is often getting website visitors and making sales, but how?

Full Screen Popup to Tumblr
Add Full Screen Popup to Tumblr

Now You Have To Make Your Elements Unique

Some small business owners try to design a Full Screen Popup app by themselves or get an expensive web designer that promises they can build one.


Others try to find web design companies overseas that appear to offer Full Screen Popup apps for reduced prices or attempt to use open source code.

Get Back More Time With POWR

And it takes huge amount of time to customize and update a Full Screen Popup app, which will result in more bugs.


But, without building a strong security system, your business could be prone to hacking and other security issues. We thought of that!

Add Full Screen Popup to Tumblr
Support feature

POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Tumblr and other similar platforms.

security feature
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

POWR's team of engineers are working around the clock to keep Tumblr Full Screen Popup and all 60+ other POWR apps working smoothly.

CASE STUDY: Rbia Shades completely transformed their online experience

After much success locally, Rbia needed a way to collect emails effectively on their brand-new website.


Their website provider did not have what they were looking for, so the search was on. After doing their research, they believed POWR was what they needed.

In just a few short months of installing a POWR Popup app, Rbia earned over 600 new contacts – a 250% growth.


Next, they used a Social Feed app and quickly noticed a leap in new followers on Instagram and 200% more engagement on their site.


Last came the Media Slider. A beautiful way to show off their products and accessories to every site visitor the moment they land on their site.

Add Full Screen Popup to Tumblr
Full Screen Popup to Tumblr
250% growth in contacts
Full Screen Popup to Tumblr
Up 2x in engagement
Full Screen Popup to Tumblr
2x time on site

POWR apps are made to grow your online revenue.

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Trusted by the best in the biz!

POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.