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 Appearance

    Go to Account Settings > Edit Appearance > Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste POWR Script

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

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

    Paste the shortcode into the 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.

All you need to know about our newsletter sign up app is just a click away.

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on making the first move to develop your online business online -- by getting your Tumblr website live on the web!


But here comes the next big question: How do you get site visitors to engage and buy your product or service?

newsletter sign up to Tumblr
Add newsletter sign up to Tumblr

Then You Must Customize Your Elements

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 companies abroad that allegedly offer newsletter sign up apps at rock-bottom prices.

POWR Saves You Valuable Time

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


As your company continues to progress, you're likely to face security issues, as hackers may attempt to take advantage of vulnerabilities in the newsletter sign up app. POWR has you covered!

Add newsletter sign up to Tumblr
Support feature

POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Tumblr and other similar platforms.

security feature
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

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