How to Add A Lightbox Gallery App to a Tumblr Website

Steps on adding Lightbox Gallery to Tumblr in minutes with no coding and no 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 Account Settings > Edit Appearance > Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Paste Script

    Paste this exact POWR script into the HTML file, in 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.

Undecided if our Lightbox Gallery app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

If you have your Tumblr website published, you’ve completed 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

Website Element Customization is Next

Some may first try to DIY a Lightbox Gallery app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Lightbox Gallery apps, or foreign companies that claim to offer Lightbox Gallery apps for a bargain.

Save Time With POWR

Also, customizing and updating a Lightbox Gallery app involves even more time, and is likely to cause new issues.


As your company continues to progress, you're likely to face security issues, as hackers may attempt to take advantage of vulnerabilities in the Lightbox Gallery app. POWR has you covered!

Add Lightbox Gallery to Tumblr
Support feature

All POWR apps are built to scale with your business on Tumblr, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

security feature
Our award-winning customer support team is available 24/7, as well as a dedicated Help Center to answer any questions.

POWR's team of engineers are working around the clock to keep Tumblr Lightbox Gallery and all 60+ other POWR apps working smoothly.

CASE STUDY: POWR put Rbia Shades on the success track

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.

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
2x your engagement
Lightbox Gallery to Tumblr
2x more time on site

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.