Adding A Sign Up Form App on 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. Appearance > Theme

    In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste 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. New Text Post

    Back inside the Tumblr site editor, add a new Text Element.
  6. 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. 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

A Solid Brand Identity Starts on Your Website

You've already invested time and resources in creating your business online just by having a Tumblr website.


Your work isn't done yet, though! Now it's time to attract and engage visitors, then make them into customers.

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 at rock-bottom prices.

Reduce Time Spent by Half 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

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 team of expert engineers work relentlessly to ensure the POWR apps such as your Tumblr Sign Up Form running smoothly for you.

CASE STUDY: Rbia Shades is winning with POWR apps

After much success locally, Rbia needed a way to collect emails effectively on their brand-new website.


Their website provider did not have what they were looking for, so the search was on. After doing their research, they believed POWR was what they needed.

Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.


They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.


Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

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

Yes, POWR has an app for that.

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.