Adding A Newsletter Sign Up App on a Tumblr Website

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. Edit Appearance

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

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

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

    Create a new Text post in the Tumblr dashboard.
  6. Paste the Shortcode

    Paste this shortcode into the post and 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. 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

A Solid Brand Identity Starts on 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

Now You Have To Make Your 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 foreign companies that claim to offer newsletter sign up apps for a bargain.

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 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

Because POWR is built for scale, has the most advanced built-in security and high-volume capabilities of any other newsletter sign up app on the market, we protect you while you grow on Tumblr.

security feature
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your 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: Rbia Shades is winning with POWR apps

After Rbia launched its website, they were looking for a solution to add new contacts for outreach.


They found POWR while looking for a popup solution on their site and started to see immediate results.

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 more time on site

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.