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

Don't know how to code? No problem with these easy steps to add Sign Up Form to Tumblr in minutes.

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

    Underneath Custom Theme, click Edit HTML.
  4. Paste POWR Script

    Paste this script into the Tumblr HTML file. It's always best to paste it between the Head tags. Then click Update, and save.
  5. Create Text Post

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

    Paste this shortcode into the post. 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. To edit your Sign Up Form on Tumblr:

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

Need to know more about features and integrations of our Sign Up Form app?

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

Congratulations on making the first move to design your online business online -- by getting your Tumblr website live on the web!


But here comes the next big question: How do you get site visitors to engage and buy your product or service?

Sign Up Form to Tumblr
Add Sign Up Form to Tumblr

Then You Must Customize Your Elements

Some may first take a stab at to DIY a Sign Up Form app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Sign Up Form apps, or companies abroad that allegedly offer Sign Up Form apps for a bargain.

POWR Saves You Valuable Time

Plus, updating and customizing a Sign Up Form app can be challenging, and you may think you have to hire a developer.


Additionally, as your business booms, hackers could see an unsecured Sign Up Form as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

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 award-winning customer support team is available 24/7, as well as a dedicated Help Center to answer any questions.

Our team of expert engineers work 24/7 to make sure the POWR apps such as your Tumblr Sign Up Form working for you.

CASE STUDY: POWR put Rbia Shades on the success track

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
Up 2x in engagement
Sign Up Form to Tumblr
2x site session time

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)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.