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
In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.Edit HTML
Underneath Custom Theme, click Edit HTML.Paste POWR Script
Paste this exact script into your Tumblr HTML file. It's best to add it between the Head tags. Then click Update, and save.Text Post
Return to your Tumblr Admin page, and create a new Text post.Paste 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.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.
Not sure if our newsletter sign up app is right for you? Find out more about its features and integrations.
See the detailsRemove the Guesswork of Building Your Brand
A Solid Brand Identity Starts on Your Website
Congratulations on making the first move to expand your company online -- by getting your Tumblr website live on the web!
Here comes the next big question: How do you get site visitors to engage and buy your product or service?


Website Element Customization is Next
Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can grow a newsletter sign up without a hitch.
Others look for low priced alternative newsletter sign up apps from overseas or open source newsletter sign up apps that claim to have what they're looking for.
Get Back More Time With POWR
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!


POWR supports high-volume sites on Tumblr and prioritizes the security of our newsletter sign up app, as well as all 60+ apps, to keep any bad actors at bay.

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 completely transformed their online experience
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.
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.

Every POWR app works on any platform.
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.


