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 Theme
Go to Account Settings > Edit Appearance > Edit Theme.Edit HTML
Click on the Edit HTML link.Copy and Paste Script
Paste the POWR script into the HTML file between the Head tags. Then click Update, and save.Create New Text Post
Return to your Tumblr Admin page, and create a new Text post.Copy and Paste Shortcode
Paste this shortcode into the post and 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 edit 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.
Undecided if our newsletter sign up app will suit your needs? We have all the details you need.
See the detailsRemove the Guesswork of Building Your Brand
Begin Building Brand Identity From Your Website
If you have your Tumblr website published, you’ve tackled the biggest challenge in building an online presence. Awesome!
But next comes a tough question: how can you entice, captivate, make, and support more visitors?


Make Your Website Elements Unique
People often ask a 'techie' friend to build a newsletter sign up for them or hire a 'web guy' that one of their friends referred.
Others look overseas or for low-cost open source alternatives for newsletter sign up.
Reduce Time Spent by Half With POWR
Also, customizing and updating a newsletter sign up app involves even more time, and is likely to cause new issues.
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!


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.

Our team of expert engineers work relentlessly to make sure the POWR apps such as your Tumblr newsletter sign up running smoothly for you.
CASE STUDY: Rbia Shades completely transformed their online experience
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.
Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.
They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.
Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

Yes, POWR has an app for that.
See apps in action
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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.