Embed A Newsletter Sign Up App to a Tumblr Website

Don't know how to code? No problem with these easy steps to add newsletter sign up to Tumblr in minutes.

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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. Edit Appearance > Edit Theme

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

    Click on the Edit HTML link underneath Custom Theme.
  4. Paste Script

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

    Back inside the Tumblr site editor, add a new Text Element.
  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 change 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.

All you need to know about our newsletter sign up app is just a click away.

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

If you have your Tumblr website published, you’ve tackled the biggest challenge in building an online presence. Awesome!


But next comes a tough question: how can you draw in, captivate, turn, and support more visitors?

newsletter sign up to Tumblr
Add newsletter sign up to Tumblr

Now You Have To Make Your Elements Unique

Some may first take a stab at 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 claim to offer newsletter sign up apps at rock-bottom prices.

Reduce Time Spent by Half With POWR

Plus, updating and customizing a newsletter sign up app can be difficult, and you may think you have to hire a developer.


Additionally, as your business booms, hackers could see an unsecured newsletter sign up as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add newsletter sign up to Tumblr
Support feature

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

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

Our newsletter sign up comes with a team of expert engineers that work constantly for you, making sure your newsletter sign up is always working smoothly.

CASE STUDY: POWR put Rbia Shades on the success track

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
2x engagement improvement
newsletter sign up to Tumblr
Time on site up 2x

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)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.