Adding A Before And After Slider App on a Tumblr Website

Learn the steps to add Before and after slider to your Tumblr website in minutes with no coding or a developer.

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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:

  1. Create a Free Before and after slider App

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  2. Appearance > Theme

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

    Underneath Custom Theme, click Edit HTML.
  4. Paste POWR 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.
  5. New Text Post

    Return to your Tumblr Admin page, and create a new Text post.
  6. Paste Shortcode

    Paste the shortcode into the 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.
  7. To 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.

All you need to know about our Before and after slider app is just a click away.

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

Congratulations on getting your business online with Tumblr!


The next step is often gaining website visitors and making sales, but how?

Before and after slider to Tumblr
Add Before and after slider to Tumblr

Now You Have To Make Your Elements Unique

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can expand a Before and after slider without a hitch.


Others look for low-cost alternative Before and after slider apps from overseas or open source Before and after slider apps that claim to have what they're looking for.

Save Time With POWR

Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.


In a world where scammers infiltrate sites every day, many other Before and after slider apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!

Add Before and after slider to Tumblr
Support feature

POWR supports high-volume sites on Tumblr and prioritizes the security of our Before and after slider app, as well as all 60+ apps, to keep any bad actors at bay.

security feature
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

Furthermore, our team of incredible engineers work nonstop to keep POWR apps like your Tumblr Before and after slider up and running for you.

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 grew its contact list by 250% using POWR Popup to collect new email addresses from first-time site visitors.


They also added POWR Social Feed to their site and saw a 200% spike in engagement from their site visitors. They also saw a big jump in social media followers and now have over 11K followers on Instagram.

Add Before and after slider to Tumblr
Before and after slider to Tumblr
250% contacts growth
Before and after slider to Tumblr
2x your engagement
Before and after slider to Tumblr
2x time on 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)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.