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 > Edit Theme

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste POWR 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

    Return to your Tumblr Admin page, and create a new Text post.
  6. Copy and Paste Shortcode

    Paste the POWR shortcode into the text 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.

Undecided if our Full Screen Popup app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

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


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

Make Your Website Elements Unique

People often ask a 'techie' friend to design a Full Screen Popup for them or hire a 'web guy' that one of their friends referred.


Others look overseas or for low priced open source alternatives for Full Screen Popup.

POWR Saves You Valuable Time

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


But, if you haven't built 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

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
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

Our team of expert engineers work 24/7 to ensure the POWR apps such as your Tumblr Full Screen Popup working for you.

CASE STUDY: Rbia Shades is winning with POWR apps

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.

Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.


They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.


Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

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 site session time

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.