How to Add A Lightbox Gallery App to a Tumblr Website

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. Edit Appearance > Edit Theme

    Go to Account Settings > Edit Appearance > Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Copy and Paste Script

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

    Go back to the Tumblr dashboard and add 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 to alter the Lightbox Gallery plugin:

    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

Begin Building Brand Identity From Your Website

Congratulations on making the first move to develop your company 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

Website Element Customization is Next

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


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

Reduce Time Spent by Half With POWR

Plus, updating and customizing a Lightbox Gallery app can be challenging, and you may think you have to hire a developer.


Additionally, as your business expands, hackers could see an unsecured Lightbox Gallery as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add Lightbox Gallery to Tumblr
Support feature

POWR supports high-volume sites on Tumblr and prioritizes the security of our Lightbox Gallery app, as well as all 60+ apps, to keep any bad actors at bay.

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

Our team of expert engineers work relentlessly to ensure the POWR apps such as your Tumblr Lightbox Gallery running smoothly for you.

CASE STUDY: POWR put Rbia Shades on the success track

Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.


After much research, they chose POWR as their no-code tool of choice.

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
2x your engagement
Lightbox Gallery to Tumblr
Time on site up 2x

All POWR apps are built for peak-performance.

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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.