Install A Birthday Countdown App on Tumblr

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

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Steps to Add a Birthday Countdown App on a Tumblr Site

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

How To Add a Birthday Countdown App on Tumblr:

  1. Create a Free Birthday Countdown App

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  2. Edit Appearance

    In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste Script

    Paste the POWR script into the HTML file between the Head tags. Then click Update, and save.
  5. New 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 Birthday Countdown.Click the POWR Settings Icon to open the POWR Editor.
  7. To edit your Birthday Countdown on Tumblr:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Birthday Countdown plugin.

Undecided if our Birthday Countdown app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on making the first move to grow your company's presence online -- by getting your Tumblr website live on the web!


Here comes the next big question: How do you get site visitors to engage and buy your product or service?

Birthday Countdown to Tumblr
Add Birthday Countdown to Tumblr

Now You Have To Make Your Elements Unique

Some may first take a stab at to DIY a Birthday Countdown app or 'knows a guy' that can build one in 'no time'.


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

POWR Saves You Valuable Time

Also, customizing and updating a Birthday Countdown app involves even more time, and is likely to cause new bugs.


As your company continues to progress, you're likely to encounter security issues, as hackers may attempt to take advantage of vulnerabilities in the Birthday Countdown app. POWR has you covered!

Add Birthday Countdown to Tumblr
Support feature

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

security feature
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

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

CASE STUDY: POWR put Rbia Shades on the success track

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 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.

Add Birthday Countdown to Tumblr
Birthday Countdown to Tumblr
Contacts growth 250%
Birthday Countdown to Tumblr
2x engagement improvement
Birthday Countdown to Tumblr
2x site session time

Every POWR app works on any platform.

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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.