How to Add An Image Resizer App to a Tumblr Website

Steps on adding Image Resizer to Tumblr in minutes with no coding and no help from a developer.

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Steps to Add a Image Resizer App on a Tumblr Site

Create your customized Image Resizer app, match your website's style and colors, and add Image Resizer to your Tumblr page, post, sidebar, footer, or wherever you like on your site.

How To Add a Image Resizer App on Tumblr:

  1. Create a Free Image Resizer 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. Copy and Paste Script

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

    Go back to the Tumblr dashboard and add a new Text post.
  6. Paste Shortcode

    Paste this shortcode into the post. If you expand the post, you will see your new POWR Image Resizer.Click the POWR Settings Icon to open the POWR Editor.
  7. Begin to change the Image Resizer plugin:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Image Resizer plugin.

All you need to know about our Image Resizer app is just a click away.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

Congratulations on making the first move to grow your site online -- by getting your Tumblr website live on the web!


Here comes the next big question: How do you get site visitors to engage and buy your product or service?

Image Resizer to Tumblr
Add Image Resizer to Tumblr

Now You Have To Make Your Elements Unique

Some may first try to DIY an Image Resizer app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Image Resizer apps, or foreign companies that claim to offer Image Resizer apps for a bargain.

Save Time With POWR

Plus, updating and customizing an Image Resizer app can be difficult, and you may think you have to hire a developer.


Additionally, as your business expands, hackers could see an unsecured Image Resizer as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add Image Resizer 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.

Furthermore, our team of incredible engineers work at all hours to keep POWR apps like your Tumblr Image Resizer 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.

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 Image Resizer to Tumblr
Image Resizer to Tumblr
Grow contacts by 250%
Image Resizer to Tumblr
2x your engagement
Image Resizer to Tumblr
2x time on site

POWR apps are made to grow your online revenue.

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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.