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

    In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste 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. New Text Post

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

    Paste this shortcode into the post. 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.

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

See the details

Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

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


But next comes the hard part: how can you engage, captivate, turn, and support more visitors?

newsletter sign up to Tumblr
Add newsletter sign up to Tumblr

Then You Must Customize Your Elements

Some small business owners try to build a newsletter sign up app by themselves or get an expensive web designer that promises they can build one.


Others try to find web design companies overseas that claim to offer newsletter sign up apps for reduced prices or attempt to use open source code.

Reduce Time Spent by Half With POWR

Also, customizing and updating a newsletter sign up app calls for even more time, and is likely to cause new complications.


As your company continues to progress, 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

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.

Furthermore, our team of talented engineers work nonstop to keep POWR apps like your Tumblr newsletter sign up running for you.

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 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% growth in contacts
newsletter sign up to Tumblr
Up 2x in engagement
newsletter sign up to Tumblr
2x more 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.