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 Appearance > Edit 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 the 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 New Text Post
Return to your Tumblr Admin page, and create a new Text post.Paste Shortcode
Paste this shortcode into the post and 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
A Solid Brand Identity Starts on Your Website
If you have your Tumblr website published, you’ve completed the biggest challenge in building an online presence. Way to go!
But next comes the hard part: how can you entice, captivate, turn, and support more visitors?


Make Your Website Elements Unique
Some small business owners try to design a Before and after slider app by themselves 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 low prices or attempt to use open source code.
Reduce Time Spent by Half With POWR
Also, customizing and updating a Before and after slider 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 take advantage of vulnerabilities in the Before and after slider 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 Before and after slider comes with a team of expert engineers that work constantly for you, making sure your Before and after slider is always working smoothly.
CASE STUDY: Rbia Shades completely transformed their online experience
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.
Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.
They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.
Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

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)
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.


