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 > Edit Theme
Go to your Account Settings and click Edit Appearance. Then click Edit Theme.Edit HTML
Click on the Edit HTML link.Copy and Paste Script
Paste this exact POWR script into the HTML file, in between the Head tags. Then click Update, and save.New Text Post
Back inside the Tumblr dashboard, embed a new Text Element.Paste 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 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.
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.


Website Element Customization is Next
People often ask a 'techie' friend to design a Lightbox Gallery for them or hire a 'web guy' that one of their friends referred.
Others look overseas or for low priced open source alternatives for Lightbox Gallery.
POWR Saves You Valuable Time
Also, customizing and updating a Lightbox Gallery app calls for even more time, and is likely to cause new bugs.
As your company continues to expand, you're likely to face security issues, as hackers may attempt to manipulate vulnerabilities in the Lightbox Gallery app. POWR has you covered!


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.

Furthermore, our team of incredible engineers work at all hours to keep POWR apps like your Tumblr Lightbox Gallery running for you.
CASE STUDY: POWR put Rbia Shades on the success track
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.

Every POWR app works on any platform.
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.


