Install A Lightbox Gallery App on Tumblr

The easy way to add Lightbox Gallery to Tumblr in minutes without coding or needing help from a developer.

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Steps to Add a Lightbox Gallery App on a Tumblr Site

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

How To Add a Lightbox Gallery App on Tumblr:

  1. Create a Free Lightbox Gallery App

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  2. Edit Theme

    Go to your Account Settings and click Edit Appearance. Then click Edit Theme.
  3. Edit HTML

    Underneath Custom Theme, click Edit HTML.
  4. Paste the Script

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

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

    Paste this shortcode into the post and save. If you expand the post, you will see your new POWR Lightbox Gallery.Click the POWR Settings Icon to open the POWR Editor.
  7. Edit your Lightbox Gallery on Tumblr:

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

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

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

Congratulations on making the first move to develop your company's presence 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?

Lightbox Gallery to Tumblr
Add Lightbox Gallery to Tumblr

Now You Have To Make Your Elements Unique

People often ask a 'techie' friend to design a Lightbox Gallery for them or hire a 'web guy' that one of their friends referred.


Others look overseas or for low priced open source alternatives for Lightbox Gallery.

Save Time With POWR

And it takes huge amount of time to customize and update a Lightbox Gallery app, which will create more complications.


But, if you haven't built a strong security system, your business could be prone to hacking and other security issues. We thought of that!

Add Lightbox Gallery to Tumblr
Support feature

Because POWR is built for scale, has the most advanced built-in security and high-volume capabilities of any other Lightbox Gallery app on the market, we protect you while you grow on Tumblr.

security feature
Our top-notch customer support team is available to you 24/7 and a complete Help Center for answers to all common questions.

Our Lightbox Gallery comes with a team of expert engineers that work constantly for you, making sure your Lightbox Gallery is always working perfectly.

CASE STUDY: POWR put Rbia Shades on the success track

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 Lightbox Gallery to Tumblr
Lightbox Gallery to Tumblr
250% contacts growth
Lightbox Gallery to Tumblr
Engagement up 2x
Lightbox Gallery to Tumblr
Time on site up 2x

Yes, POWR has an app for that.

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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.