Install A Newsletter Sign Up App on Tumblr

Learn the steps to add newsletter sign up to your Tumblr website in minutes with no coding or a developer.

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Steps to Add a newsletter sign up App on a Tumblr Site

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

How To Add a newsletter sign up App on Tumblr:

  1. Create a Free newsletter sign up App

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  2. Appearance > Theme

    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 POWR 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 newsletter sign up.Click the POWR Settings Icon to open the POWR Editor.
  7. Begin to edit the newsletter sign up plugin:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the newsletter sign up plugin.

Not sure if our newsletter sign up app is right for you? Find out more about its features and integrations.

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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 gaining website visitors and making sales, but how?

newsletter sign up to Tumblr
Add newsletter sign up to Tumblr

Make Your Website Elements Unique

Some may first try to DIY a newsletter sign up app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source newsletter sign up apps, or companies abroad that allegedly offer newsletter sign up apps at rock-bottom prices.

POWR Saves You Valuable Time

Also, customizing and updating a newsletter sign up app calls for 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 newsletter sign up app. POWR has you covered!

Add newsletter sign up to Tumblr
Support feature

All POWR apps are built to scale with your business on Tumblr, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

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

Our team of expert engineers work 24/7 to make sure the POWR apps such as your Tumblr newsletter sign up running smoothly 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 newsletter sign up to Tumblr
newsletter sign up to Tumblr
Contacts growth 250%
newsletter sign up to Tumblr
Engagement up 2x
newsletter sign up 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.