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

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

    Click on the Edit HTML link.
  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. Text Post

    Back inside the Tumblr blog editor, add a new Text Element.
  6. Paste the Shortcode

    Paste the POWR shortcode into the text 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.

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

See the details

Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

Congratulations on publicizing your business online with Tumblr!


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

Sign Up Form to Tumblr
Add Sign Up Form to Tumblr

Now You Have To Make Your Elements Unique

People often ask a 'techie' friend to design a Sign Up Form for them or hire a 'web guy' that one of their friends referred.


Others look overseas or for low-cost open source alternatives for Sign Up Form.

POWR Saves You Valuable Time

And it takes lots of time to customize and update a Sign Up Form app, which will result in more bugs.


But, if you haven't built a strong security system, your site could be prone to hacking and other security issues. We thought of that!

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.

Furthermore, our team of incredible engineers work at all hours to keep POWR apps like your Tumblr Sign Up Form at peak performance for you.

CASE STUDY: Rbia Shades wins big with POWR

After Rbia launched its website, they were looking for a solution to add new contacts for outreach.


They found POWR while looking for a popup solution on their site and started to see immediate results.

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
250% growth in contacts
Sign Up Form to Tumblr
2x engagement improvement
Sign Up Form to Tumblr
2x time on site

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.