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:
Create a Free newsletter sign up App
Start for free nowEdit Appearance > Edit Theme
Go to Account Settings > Edit Appearance > Edit Theme.Edit HTML
Underneath Custom Theme, click Edit HTML.Paste POWR Script
Paste the POWR script into the HTML file between the Head tags. Then click Update, and save.New Text Post
Back inside the Tumblr blog editor, add a new Text Element.Paste the Shortcode
Paste the POWR shortcode into the text 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.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 detailsRemove the Guesswork of Building Your Brand
Begin Building Brand Identity From Your Website
If you have your Tumblr website working, you’ve completed the biggest challenge in building an online presence. Awesome!
But next comes the hard part: how can you engage, captivate, make, and support more visitors?


Make Your Website Elements Unique
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 enlist web design companies overseas that claim to offer newsletter sign up apps for reduced prices or attempt to use open source code.
POWR Saves You Valuable Time
Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.
In a world where scammers infiltrate sites every day, many other newsletter sign up apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!


All POWR apps are built to scale with your business on Tumblr, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

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: POWR put Rbia Shades on the success track
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.
Shortly after signing on with POWR, Rbia’s first step was to install a popup. They increased their contacts by over 250% (over 600 real contacts).
Soon after, they added our Social Feed app and grew their social media following to over 6000.
Next, they added a Media Slider as a visual way to quickly show their products to new site visitors as they entered their homepage to show how the accessories looked in real life. It showcases their products well and gave customers a great on-site experience.
In fact, they quickly found that visitors who interacted with POWR apps on their site stayed engaged 2.5 times longer than ever before.

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 newsletter sign up 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 newsletter sign up allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your newsletter sign up perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding newsletter sign up 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 newsletter sign up and gather feedback from their audience.
Using POWR newsletter sign up 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.


