Adding A Sign Up Form App on a Tumblr Website

Learn the steps to add Sign Up Form to your Tumblr website in minutes with no coding or 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. Edit Appearance > Edit Theme

    In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.
  3. Edit HTML

    Click on the Edit HTML link.
  4. Paste Script

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

    Return to your Tumblr Admin page, and create a new Text post.
  6. Paste the Shortcode

    Paste this shortcode into the post and 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 to alter the Sign Up Form plugin:

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

Not sure if our Sign Up Form app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

Congratulations on getting your business online with Tumblr!


The next step is often getting website visitors and making sales, but how?

Sign Up Form to Tumblr
Add Sign Up Form to Tumblr

Then You Must Customize Your Elements

Some small business owners try to design a Sign Up Form app solo or get an expensive web designer that promises they can build one.


Others try to find web design companies overseas that appear to offer Sign Up Form apps for reduced prices or attempt to use open source code.

Save 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 Sign Up Form apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!

Add Sign Up Form to Tumblr
Support feature

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

security feature
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

POWR's team of engineers are working around the clock to keep Tumblr Sign Up Form and all 60+ other POWR apps working perfectly.

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.

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.

Add Sign Up Form to Tumblr
Sign Up Form to Tumblr
250% growth in contacts
Sign Up Form to Tumblr
Engagement up 2x
Sign Up Form to Tumblr
2x time on site

POWR apps are made to grow your online revenue.

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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.