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:
Create a Free Lightbox Gallery App
Start for free nowEdit Appearance
Go to Account Settings > Edit Appearance > Edit Theme.Edit HTML
Click on the Edit HTML link underneath Custom Theme.Paste Script
Paste this exact POWR script into the HTML file, in between the Head tags. Then click Update, and save.Create Text Post
Return to your Tumblr Admin page, and create a new Text post.Paste the Shortcode
Paste the shortcode into the post. Then save. If you expand the post, you will see your new POWR Lightbox Gallery.Click the POWR Settings Icon to open the POWR Editor.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.
Undecided if our Lightbox Gallery app will suit your needs? We have all the details you need.
See the detailsRemove the Guesswork of Building Your Brand
Begin Building Brand Identity From Your Website
You've already invested time and resources in creating your business online just by having a Tumblr website.
Your work isn't done yet, though! Now it's time to attract and engage visitors, then make them into customers.


Now You Have To Make Your Elements Unique
Some may first take a stab at 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 companies abroad that claim to offer Lightbox Gallery apps at rock-bottom prices.
Reduce Time Spent by Half With POWR
Also, customizing and updating a Lightbox Gallery app calls for even more time, and is likely to cause new issues.
As your company continues to progress, 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!


POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Tumblr and other similar platforms.

Our team of expert engineers work relentlessly to ensure the POWR apps such as your Tumblr Lightbox Gallery working 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.

POWR apps are made to grow your online revenue.
See apps in action
Trusted by the best in the biz!
POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Lightbox Gallery widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Tumblr site.
POWR Lightbox Gallery allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Lightbox Gallery perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Lightbox Gallery to your Tumblr site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Tumblr site owners to implement Lightbox Gallery and gather feedback from their audience.
Using POWR Lightbox Gallery on your Tumblr site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.


