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 nowEdit Theme
In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.Edit HTML
Go to Edit HTML.Paste POWR Script
Paste this exact script into your Tumblr HTML file. It's best to add it between the Head tags. Then click Update, and save.Create Text Post
Go back to the Tumblr dashboard and add a new Text post.Paste Shortcode
Paste this shortcode into the post. 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.
Undecided if our Before and after slider app will suit your needs? We have all the details you need.
See the detailsRemove the Guesswork of Building Your Brand
Brand Identity Begins With a Great Website
If you have your Tumblr website published, you’ve tackled the biggest challenge in building an online presence. Awesome!
But next comes a tough question: how can you engage, captivate, make, and support more visitors?


Make Your Website 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.
Get Back More Time With POWR
Also, customizing and updating a Before and after slider app involves even more time, and is likely to cause new bugs.
As your company continues to progress, you're likely to encounter security issues, as hackers may attempt to manipulate vulnerabilities in the Before and after slider app. POWR has you covered!


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.

Our team of expert engineers work relentlessly to make sure the POWR apps such as your Tumblr Before and after slider running smoothly for you.
CASE STUDY: Rbia Shades is winning with POWR apps
Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.
After much research, they chose POWR as their no-code tool of choice.
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 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.


