Steps to Add a Before and after slider App on a Tumblr Site
Create your customized Before and after slider app, match your website's style and colors, and add Before and after slider to your Tumblr page, post, sidebar, footer, or wherever you like on your site.
How To Add a Before and after slider App on Tumblr:
Create a Free Before and after slider App
Start for free nowAppearance > Theme
Go to your Account Settings and click Edit Appearance. Then click Edit Theme.Edit HTML
Go to Edit HTML.Copy and 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.Text Post
Return to your Tumblr Admin page, and create a new Text post.Paste the Shortcode
Paste the POWR shortcode into the text post, then save If you expand the post, you will see your new POWR Before and after slider.Click the POWR Settings Icon to open the POWR Editor.Edit your Before and after slider on Tumblr:
Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Before and after slider plugin.
Need to know more about features and integrations of our Before and after slider app?
See the detailsRemove the Guesswork of Building Your Brand
Establishing Brand Identity 101 - Your Website
Congratulations on publicizing your business online with Tumblr!
The next step is often gaining website visitors and making sales, but how?


Now You Have To Make Your Elements Unique
Some small business owners try to build a Before and after slider app solo or get an expensive web designer that promises they can build one.
Others try to enlist web design companies overseas that appear to offer Before and after slider apps for reduced prices or attempt to use open source code.
POWR Saves You Valuable Time
And it takes lots of time to customize and update a Before and after slider app, which will make more complications.
But, if you haven't built a strong security system, your site could be prone to hacking and other security issues. We thought of that!


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.

Furthermore, our team of talented engineers work nonstop to keep POWR apps like your Tumblr Before and after slider functioning for you.
CASE STUDY: Rbia Shades wins big with POWR
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.

Yes, POWR has an app for that.
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 Before and after slider 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 Before and after slider allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Before and after slider perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Before and after slider 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 Before and after slider and gather feedback from their audience.
Using POWR Before and after slider 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.


