Adding A Newsletter Sign Up App on a Tumblr Website

The easy way to add newsletter sign up to Tumblr in minutes without coding or needing help from 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. Edit Appearance > Edit Theme

    Go to your Account Settings and click Edit Appearance. Then click Edit Theme.
  3. Edit HTML

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

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

    Return to your Tumblr Admin page, and create a new Text post.
  6. Copy and Paste Shortcode

    Paste the shortcode into the post. Then save. 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. To edit your newsletter sign up on Tumblr:

    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

Congratulations on publicizing your business online with Tumblr!


The next step is often getting website visitors and making sales, but how?

newsletter sign up to Tumblr
Add newsletter sign up to Tumblr

Website Element Customization is Next

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can grow a newsletter sign up without a hitch.


Others look for low priced alternative newsletter sign up apps from overseas or open source newsletter sign up apps that claim to have what they're looking for.

Reduce Time Spent by Half With POWR

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


Additionally, as your business expands, 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

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 top-notch customer support team is available to you 24/7 and a complete Help Center for answers to all common 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: POWR put Rbia Shades on the success track

A few months after Rbia Shades launched at local fairs and craft shows, they were looking for a way to sell online.


They wanted to visually appeal to site visitors and demonstrate the quality of their product and lightweight, ergonomic designs.


Their web host did not provide an adequate solution for this, and after some research, decided to give POWR a try.

Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.


They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.


Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

Add newsletter sign up to Tumblr
newsletter sign up to Tumblr
250% contacts growth
newsletter sign up to Tumblr
Up 2x in engagement
newsletter sign up to Tumblr
Time on site up 2x

All POWR apps are built for peak-performance.

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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.