Adding A Full Screen Popup App on a Tumblr Website

Learn the steps to add Full Screen Popup to your Tumblr website in minutes with no coding or 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

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

    Click on the Edit HTML link.
  4. Paste Script

    Paste this exact script into your Tumblr HTML file. It's best to add it between the Head tags. Then click Update, and save.
  5. Create Text Post

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

Need to know more about features and integrations of our Full Screen Popup app?

See the details

Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

If you have your Tumblr website working, you’ve completed the biggest challenge in building an online presence. Way to go!


But next comes the hard part: how can you engage, captivate, turn, and support more visitors?

Full Screen Popup to Tumblr
Add Full Screen Popup to Tumblr

Website Element Customization is Next

Some may first try to DIY a Full Screen Popup app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Full Screen Popup apps, or foreign companies that allegedly offer Full Screen Popup apps at rock-bottom prices.

POWR Saves You Valuable Time

Also, customizing and updating a Full Screen Popup app involves even more time, and is likely to cause new issues.


As your company continues to progress, you're likely to encounter security issues, as hackers may attempt to manipulate vulnerabilities in the Full Screen Popup app. POWR has you covered!

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
Our top-notch customer support team is available to you 24/7 and a complete Help Center for answers to all common questions.

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 perfectly.

CASE STUDY: Rbia Shades is winning with POWR apps

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.

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

Yes, POWR has an app for that.

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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.