Adding A Full Screen Popup App on 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. Appearance > Theme

    Go to your Account Settings and click Edit Appearance. Then click Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Copy and Paste Script

    Paste this exact POWR script into the HTML file, in between the Head tags. Then click Update, and save.
  5. Create 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. Edit your Full Screen Popup on Tumblr:

    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

A Solid Brand Identity Starts on Your Website

Congratulations on starting to develop your site online -- by getting your Tumblr website live on the web!


But here comes the next big question: How do you get site visitors to engage and buy your product or service?

Full Screen Popup to Tumblr
Add Full Screen Popup to Tumblr

Website Element Customization is Next

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


Others try to enlist 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 make more bugs.


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

Add Full Screen Popup to Tumblr
Support feature

All POWR apps are built to scale with your business on Tumblr, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

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.

Our Full Screen Popup comes with a team of expert engineers that work constantly for you, making sure your Full Screen Popup is always working smoothly.

CASE STUDY: POWR put Rbia Shades on the success track

After Rbia launched its website, they were looking for a solution to add new contacts for outreach.


They found POWR while looking for a popup solution on their site and started to see immediate results.

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
Engagement up 2x
Full Screen Popup to Tumblr
Time on site up 2x

Every POWR app works on any platform.

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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.