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. Edit Theme

    Go to Account Settings > Edit Appearance > Edit Theme.
  3. Edit HTML

    Click on the Edit HTML link.
  4. Copy and Paste Script

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

    Back inside the Tumblr dashboard, add a new Text Element.
  6. Copy and 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. Begin to edit 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.

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

Brand Identity Begins With a Great Website

If you have your Tumblr website working, you’ve completed the biggest challenge in building an online presence. Awesome!


But next comes a tough question: how can you draw in, captivate, turn, and support more visitors?

Sign Up Form to Tumblr
Add Sign Up Form to Tumblr

Make Your Website Elements Unique

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


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

Reduce Time Spent by Half With POWR

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


As your company continues to expand, you're likely to face 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
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.

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 perfectly.

CASE STUDY: POWR put Rbia Shades on the success track

Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.


After much research, they chose POWR as their no-code tool of choice.

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
2x engagement improvement
Sign Up Form to Tumblr
Time on site up 2x

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.