Embed A Lightbox Gallery App to a Tumblr Website

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 Appearance

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

    Go to Edit HTML.
  4. Copy and Paste Script

    Paste this exact script into your Tumblr HTML file. It's best to add it between the Head tags. Then click Update, and save.
  5. Create New 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. Begin editing the following Lightbox Gallery 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 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

Begin Building Brand Identity From Your Website

If you have your Tumblr website working, you’ve tackled the biggest challenge in building an online presence. Way to go!


But next comes a tough question: how can you entice, captivate, turn, and support more visitors?

Lightbox Gallery to Tumblr
Add Lightbox Gallery to Tumblr

Then You Must Customize Your Elements

Some small business owners try to build a Lightbox Gallery app by themselves or get an expensive web designer that claims they can build one.


Others try to enlist web design companies overseas that claim to offer Lightbox Gallery apps for reduced prices or attempt to use open source code.

Save Time With POWR

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


But, without building a strong security system, your site could be prone to hacking and other security issues. We thought of that!

Add Lightbox Gallery 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 incredible engineers work at all hours to keep POWR apps like your Tumblr Lightbox Gallery up and running for you.

CASE STUDY: Rbia Shades completely transformed their online experience

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 Lightbox Gallery to Tumblr
Lightbox Gallery to Tumblr
250% contacts growth
Lightbox Gallery to Tumblr
Up 2x in engagement
Lightbox Gallery 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.