How to Add A Sign Up Form App to a Tumblr Website

The easy way to add Sign Up Form to Tumblr in minutes without coding or needing help from a developer.

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Steps to Add a Sign Up Form App on a Tumblr Site

Create your customized Sign Up Form app, match your website's style and colors, and add Sign Up Form to your Tumblr page, post, sidebar, footer, or wherever you like on your site.

How To Add a Sign Up Form App on Tumblr:

  1. Create a Free Sign Up Form App

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  2. Appearance > Theme

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste Script

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

    Return to your Tumblr Admin page, and create 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 Sign Up Form.Click the POWR Settings Icon to open the POWR Editor.
  7. Begin editing the following Sign Up Form plugin directly inside of the Tumblr website:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Sign Up Form plugin.

All you need to know about our Sign Up Form app is just a click away.

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

You've already invested time and resources in launching 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 make them into customers.

Sign Up Form to Tumblr
Add Sign Up Form to Tumblr

Now You Have To Make Your Elements Unique

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can expand a Sign Up Form without a hitch.


Others look for low-cost alternative Sign Up Form apps from overseas or open source Sign Up Form apps that claim to have what they're looking for.

Save Time With POWR

Also, customizing and updating a Sign Up Form app involves even more time, and is likely to cause new bugs.


As your company continues to expand, you're likely to encounter security issues, as hackers may attempt to manipulate vulnerabilities in the Sign Up Form app. POWR has you covered!

Add Sign Up Form 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
Our top-notch customer support team is available to you 24/7 and a complete Help Center for answers to all common questions.

Our Sign Up Form comes with a team of expert engineers that work constantly for you, making sure your Sign Up Form is always working smoothly.

CASE STUDY: Rbia Shades wins big with POWR

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.

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.

Add Sign Up Form to Tumblr
Sign Up Form to Tumblr
Contacts growth 250%
Sign Up Form to Tumblr
2x your engagement
Sign Up Form to Tumblr
2x more time on site

Every POWR app works on any platform.

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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.