Install An Image Resizer App on Tumblr

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. Edit Theme

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste the Script

    Paste this exact POWR script into the HTML file, in between the Head tags. Then click Update, and save.
  5. Create 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 Image Resizer.Click the POWR Settings Icon to open the POWR Editor.
  7. Edit your Image Resizer on Tumblr:

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

Undecided if our Image Resizer app will suit your needs? We have all the details you need.

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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 develop your site online -- by getting your Tumblr website live on the web!


But 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

Make Your Website Elements Unique

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can develop an Image Resizer without a hitch.


Others look for low-cost alternative Image Resizer apps from overseas or open source Image Resizer apps that claim to have what they're looking for.

POWR Saves You Valuable Time

Also, customizing and updating an Image Resizer app calls for even more time, and is likely to cause new complications.


As your company continues to progress, you're likely to face security issues, as hackers may attempt to take advantage of vulnerabilities in the Image Resizer app. POWR has you covered!

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
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

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

In just a few short months of installing a POWR Popup app, Rbia earned over 600 new contacts – a 250% growth.


Next, they used a Social Feed app and quickly noticed a leap in new followers on Instagram and 200% more engagement on their site.


Last came the Media Slider. A beautiful way to show off their products and accessories to every site visitor the moment they land on their site.

Add Image Resizer to Tumblr
Image Resizer to Tumblr
250% growth in contacts
Image Resizer to Tumblr
2x engagement improvement
Image Resizer to Tumblr
2x more 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.