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:
Create a Free Overlay Popup App
Start for free nowEdit Appearance > Edit Theme
Go to your Account Settings and click Edit Appearance. Then click Edit Theme.Edit HTML
Go to Edit HTML.Paste 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.New Text Post
Go back to the Tumblr dashboard and add a new Text post.Paste the Shortcode
Paste the POWR shortcode into the text post, then save If you expand the post, you will see your new POWR Overlay Popup.Click the POWR Settings Icon to open the POWR Editor.Edit your Overlay Popup on Tumblr:
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?
See the detailsRemove the Guesswork of Building Your Brand
Establishing Brand Identity 101 - Your Website
Congratulations on getting your business online with Tumblr!
The next step is often getting website visitors and making sales, but how?


Now You Have To Make Your Elements Unique
People often ask a 'techie' friend to build an Overlay 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 Overlay Popup.
Get Back More 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!


POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Tumblr and other similar platforms.

Our team of expert engineers work relentlessly to ensure the POWR apps such as your Tumblr Overlay Popup running smoothly for you.
CASE STUDY: Rbia Shades completely transformed their online experience
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 grew its contact list by 250% using POWR Popup to collect new email addresses from first-time site visitors.
They also added POWR Social Feed to their site and saw a 200% spike in engagement from their site visitors. They also saw a big jump in social media followers and now have over 11K followers on Instagram.

Every POWR app works on any platform.
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)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Overlay Popup widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Tumblr site.
POWR Overlay Popup allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Overlay Popup perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Overlay Popup to your Tumblr site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Tumblr site owners to implement Overlay Popup and gather feedback from their audience.
Using POWR Overlay Popup on your Tumblr site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.


