Install A Full Screen Popup App on Tumblr

Steps on adding Full Screen Popup to Tumblr in minutes with no coding and no 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 Theme

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

    Click on the Edit HTML link.
  4. Copy and Paste Script

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

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

    Paste this shortcode into the post and 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 editing the following Full Screen Popup plugin directly inside of the Tumblr website:

    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?

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

If you have your Tumblr website published, you’ve tackled the biggest challenge in building an online presence. Awesome!


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

Make Your Website Elements Unique

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


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

Reduce Time Spent by Half With POWR

Plus, updating and customizing a Full Screen Popup app can be difficult, and you may think you have to hire a developer.


Additionally, as your business increases, hackers could see an unsecured Full Screen Popup as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add Full Screen Popup to Tumblr
Support feature

Because POWR is built for scale, has the most advanced built-in security and high-volume capabilities of any other Full Screen Popup app on the market, we protect you while you grow on Tumblr.

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

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

CASE STUDY: Rbia Shades wins big with POWR

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

Yes, POWR has an app for that.

See apps in action

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.