Install A Lightbox Gallery App on Tumblr

Don't know how to code? No problem with these easy steps to add Lightbox Gallery to Tumblr in minutes.

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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. Appearance > 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 POWR Script

    Paste this script into the Tumblr HTML file. It's always best to paste it 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. If you expand the post, you will see your new POWR Lightbox Gallery.Click the POWR Settings Icon to open the POWR Editor.
  7. To 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.

All you need to know about our Lightbox Gallery app is just a click away.

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

Congratulations on starting 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

Make Your Website Elements Unique

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


Others look for low priced alternative Lightbox Gallery apps from overseas or open source Lightbox Gallery apps that claim to have what they're looking for.

Save Time With POWR

And it takes tons of time to customize and update a Lightbox Gallery app, which will result in more issues.


But, if you haven't built 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

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: 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 Lightbox Gallery to Tumblr
Lightbox Gallery to Tumblr
Grow contacts by 250%
Lightbox Gallery to Tumblr
2x your engagement
Lightbox Gallery to Tumblr
2x time on site

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.