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 Theme

    In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.
  3. Edit HTML

    Click on the Edit HTML link.
  4. Paste 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 New Text Post

    Create a new Text post in the Tumblr dashboard.
  6. Copy and 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 edit 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.

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

A Solid Brand Identity Starts on Your Website

Congratulations on starting to expand your site online -- by getting your Tumblr website live on the web!


But 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

Then You Must Customize Your Elements

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can design 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.

POWR Saves You Valuable Time

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


As your company continues to expand, you're likely to encounter 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

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
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

Our team of expert engineers work 24/7 to make sure the POWR apps such as your Tumblr Lightbox Gallery working for you.

CASE STUDY: Rbia Shades wins big with POWR

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.

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
Engagement up 2x
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.