Install A Sign Up Form App on Tumblr

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

    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. Copy and Paste Script

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

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

Undecided if our Sign Up Form app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

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


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

Sign Up Form to Tumblr
Add Sign Up Form to Tumblr

Then You Must Customize Your Elements

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 allegedly offer Sign Up Form apps for a bargain.

Get Back More 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

All POWR apps are built to scale with your business on Tumblr, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

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 smoothly.

CASE STUDY: Rbia Shades completely transformed their online experience

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.

Rbia grew its contact list by 250% using POWR Popup to collect new email addresses from first-time site visitors.


They also added POWR Social Feed to their site and saw a 200% spike in engagement from their site visitors. They also saw a big jump in social media followers and now have over 11K followers on Instagram.

Add Sign Up Form to Tumblr
Sign Up Form to Tumblr
Grow contacts by 250%
Sign Up Form to Tumblr
2x your engagement
Sign Up Form to Tumblr
2x time on site

POWR apps are made to grow your online revenue.

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.