Embed A Sign Up Form App to a Tumblr Website

Steps on adding Sign Up Form to Tumblr in minutes with no coding and no 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 Appearance

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

    Click on the Edit HTML link underneath Custom Theme.
  4. Copy and 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. Copy and Paste 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

Establishing Brand Identity 101 - Your Website

If you have your Tumblr website published, you’ve tackled the biggest challenge in building an online presence. Way to go!


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 may first try 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 foreign companies that claim to offer Sign Up Form apps at rock-bottom prices.

Save Time With POWR

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 develops, 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 supports high-volume sites on Tumblr and prioritizes the security of our Sign Up Form app, as well as all 60+ apps, to keep any bad actors at bay.

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

Furthermore, our team of incredible engineers work nonstop to keep POWR apps like your Tumblr Sign Up Form up and running for you.

CASE STUDY: POWR put Rbia Shades on the success track

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 more 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.