Install A Newsletter Sign Up App on Tumblr

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. Edit Theme

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

    Click on the Edit HTML link.
  4. Copy and Paste 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

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

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

Begin Building Brand Identity From Your Website

You've already invested time and resources in launching your business online just by having a Tumblr website.


Your work isn't done yet, though! Now it's time to attract and engage visitors, then make them into customers.

newsletter sign up to Tumblr
Add newsletter sign up to Tumblr

Then You Must Customize Your Elements

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can develop 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.

POWR Saves You Valuable Time

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 develops, 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 relentlessly to ensure the POWR apps such as your Tumblr newsletter sign up working for you.

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.

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 newsletter sign up to Tumblr
newsletter sign up to Tumblr
250% contacts growth
newsletter sign up to Tumblr
Engagement up 2x
newsletter sign up 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.