Install An Image Resizer App on Tumblr

Learn the steps to add Image Resizer to your Tumblr website in minutes with no coding or 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

    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. New Text Post

    Create a new Text post in the Tumblr dashboard.
  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. To 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.

Not sure if our Image Resizer app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

You've already invested time and resources in building 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.

Image Resizer to Tumblr
Add Image Resizer to Tumblr

Make Your Website Elements Unique

People often ask a 'techie' friend to build an Image Resizer for them or hire a 'web guy' that one of their friends referred.


Others look overseas or for low-cost open source alternatives for Image Resizer.

Reduce Time Spent by Half With POWR

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


Additionally, as your business develops, 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

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
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 talented engineers work at all hours to keep POWR apps like your Tumblr Image Resizer running for you.

CASE STUDY: Rbia Shades completely transformed their online experience

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 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 Image Resizer to Tumblr
Image Resizer to Tumblr
250% growth in contacts
Image Resizer to Tumblr
2x your engagement
Image Resizer to Tumblr
Time on site up 2x

Every POWR app works on any platform.

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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.