How to Add An Overlay Popup App to a Tumblr Website

Steps on adding Overlay Popup to Tumblr in minutes with no coding and no help from a developer.

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Steps to Add a Overlay Popup App on a Tumblr Site

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

How To Add a Overlay Popup App on Tumblr:

  1. Create a Free Overlay 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

    Click on the Edit HTML link.
  4. Paste POWR Script

    Paste this script into the Tumblr HTML file. It's always best to paste 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 Shortcode

    Paste this shortcode into the post. If you expand the post, you will see your new POWR Overlay Popup.Click the POWR Settings Icon to open the POWR Editor.
  7. Begin editing the following Overlay 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 Overlay Popup plugin.

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

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

Congratulations on publicizing your business online with Tumblr!


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

Overlay Popup to Tumblr
Add Overlay Popup to Tumblr

Website Element Customization is Next

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can design an Overlay Popup without a hitch.


Others look for low priced alternative Overlay Popup apps from overseas or open source Overlay Popup apps that claim to have what they're looking for.

Save Time With POWR

Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.


In a world where scammers infiltrate sites every day, many other Overlay Popup apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!

Add Overlay Popup to Tumblr
Support feature

POWR supports high-volume sites on Tumblr and prioritizes the security of our Overlay Popup app, as well as all 60+ apps, to keep any bad actors at bay.

security feature
Our award-winning customer support team is available 24/7, as well as a dedicated Help Center to answer any questions.

Furthermore, our team of incredible engineers work nonstop to keep POWR apps like your Tumblr Overlay Popup running for you.

CASE STUDY: Rbia Shades wins big with POWR

A few months after Rbia Shades launched at local fairs and craft shows, they were looking for a way to sell online.


They wanted to visually appeal to site visitors and demonstrate the quality of their product and lightweight, ergonomic designs.


Their web host did not provide an adequate solution for this, and after some research, decided to give POWR a try.

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 Overlay Popup to Tumblr
Overlay Popup to Tumblr
Contacts growth 250%
Overlay Popup to Tumblr
Up 2x in engagement
Overlay Popup to Tumblr
2x more 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.