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

    Return to your Tumblr Admin page, and create a new Text post.
  6. Copy and Paste 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. Begin editing the following newsletter sign up plugin directly inside of the Tumblr website:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the newsletter sign up plugin.

Need to know more about features and integrations of our newsletter sign up app?

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

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


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

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 expand a newsletter sign up without a hitch.


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

Save Time With POWR

And it takes lots of time to customize and update a newsletter sign up app, which will create more issues.


But, without building a strong security system, your business could be prone to hacking and other security issues. We thought of that!

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
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

POWR's team of engineers are working around the clock to keep Tumblr newsletter sign up and all 60+ other POWR apps working perfectly.

CASE STUDY: Rbia Shades wins big with POWR

After much success locally, Rbia needed a way to collect emails effectively on their brand-new website.


Their website provider did not have what they were looking for, so the search was on. After doing their research, they believed POWR was what they needed.

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
2x time on site

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.