Steps to Add a Mailing List App on a Tumblr Site
Create your customized Mailing List app, match your website's style and colors, and add Mailing List to your Tumblr page, post, sidebar, footer, or wherever you like on your site.
How To Add a Mailing List App on Tumblr:
Create a Free Mailing List App
Start for free nowAppearance > Theme
Go to Account Settings > Edit Appearance > Edit Theme.Edit HTML
Click on the Edit HTML link underneath Custom Theme.Paste POWR Script
Paste this exact POWR script into the HTML file, in between the Head tags. Then click Update, and save.Text Post
Back inside the Tumblr dashboard, add a new Text Element.Paste Shortcode
Paste the shortcode into the post. Then save. If you expand the post, you will see your new POWR Mailing List.Click the POWR Settings Icon to open the POWR Editor.Begin to edit the Mailing List plugin:
Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Mailing List plugin.
Need to know more about features and integrations of our Mailing List app?
See the detailsRemove the Guesswork of Building Your Brand
Brand Identity Begins With a Great Website
You've already invested time and resources in creating 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 turn them into customers.


Website Element Customization is Next
Some may first try to DIY a Mailing List app or 'knows a guy' that can build one in 'no time'.
Others attempt to find open source Mailing List apps, or foreign companies that claim to offer Mailing List apps for a bargain.
Save Time With POWR
Plus, updating and customizing a Mailing List app can be challenging, and you may think you have to hire a developer.
Additionally, as your business expands, hackers could see an unsecured Mailing List as a great opportunity to exploit your business and your customers. We consider this and built safeguards!


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

Our team of expert engineers work relentlessly to make sure the POWR apps such as your Tumblr Mailing List working for you.
CASE STUDY: Rbia Shades is winning with POWR apps
A few months after Rbia Shades launched at local fairs and craft shows, they were looking for a way to sell online.
They wanted to visually appeal to site visitors and demonstrate the quality of their product and lightweight, ergonomic designs.
Their web host did not provide an adequate solution for this, and after some research, decided to give POWR a try.
In just a few short months of installing a POWR Popup app, Rbia earned over 600 new contacts – a 250% growth.
Next, they used a Social Feed app and quickly noticed a leap in new followers on Instagram and 200% more engagement on their site.
Last came the Media Slider. A beautiful way to show off their products and accessories to every site visitor the moment they land on their site.

All POWR apps are built for peak-performance.
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)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Mailing List widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Tumblr site.
POWR Mailing List allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Mailing List perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Mailing List to your Tumblr site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Tumblr site owners to implement Mailing List and gather feedback from their audience.
Using POWR Mailing List on your Tumblr site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.


