How to Add A Countdown Bar App to a Tumblr Website

The easy way to add Countdown Bar to Tumblr in minutes without coding or needing help from a developer.

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Steps to Add a Countdown Bar App on a Tumblr Site

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

How To Add a Countdown Bar App on Tumblr:

  1. Create a Free Countdown Bar 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

    Underneath Custom Theme, click Edit HTML.
  4. Paste Script

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

    Create a new Text post in the Tumblr dashboard.
  6. Paste Shortcode

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

All you need to know about our Countdown Bar app is just a click away.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

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


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

Countdown Bar to Tumblr
Add Countdown Bar to Tumblr

Then You Must Customize Your Elements

Some small business owners try to design a Countdown Bar app solo or get an expensive web designer that claims they can build one.


Others try to enlist web design companies overseas that claim to offer Countdown Bar apps for low prices or attempt to use open source code.

Reduce Time Spent by Half With POWR

Also, customizing and updating a Countdown Bar app calls for even more time, and is likely to cause new bugs.


As your company continues to expand, you're likely to face security issues, as hackers may attempt to manipulate vulnerabilities in the Countdown Bar app. POWR has you covered!

Add Countdown Bar to Tumblr
Support feature

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

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.

Furthermore, our team of incredible engineers work at all hours to keep POWR apps like your Tumblr Countdown Bar up and running for you.

CASE STUDY: Rbia Shades wins big with POWR

Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.


After much research, they chose POWR as their no-code tool of choice.

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 Countdown Bar to Tumblr
Countdown Bar to Tumblr
250% contacts growth
Countdown Bar to Tumblr
Up 2x in engagement
Countdown Bar to Tumblr
2x site session time

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.