How to Add A Newsletter Sign Up App to a Tumblr Website

Steps on adding newsletter sign up to Tumblr in minutes with no coding and no 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. Appearance > Theme

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

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

    Paste this script into the Tumblr HTML file. It's always best to paste it between the Head tags. Then click Update, and save.
  5. Text Post

    Go back to the Tumblr dashboard and add a new Text post.
  6. Paste Shortcode

    Paste the POWR shortcode into the text 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. 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.

Undecided if our newsletter sign up app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

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


But next comes the hard part: 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 small business owners try to build a newsletter sign up 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 newsletter sign up apps for reduced prices or attempt to use open source code.

POWR Saves You Valuable Time

Also, customizing and updating a newsletter sign up app involves even more time, and is likely to cause new issues.


As your company continues to expand, you're likely to encounter security issues, as hackers may attempt to manipulate 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 newsletter sign up comes with a team of expert engineers that work constantly for you, making sure your newsletter sign up is always working perfectly.

CASE STUDY: Rbia Shades is winning with POWR apps

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.

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 full 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
2x engagement improvement
newsletter sign up to Tumblr
2x time on site

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.