This fun plugin just replaces the “Excerpt” meta-box with something more meaningful for the Modern Redditor.
Oh, also, it’s a neat example of custom string replacement using a filter over gettext 🙂
<h3>Support</h3>
On <a href="https://github.com/ozh/too-long-didnt-read" rel="nofollow ugc">Github</a>. I don’t read WordPress support forums.

TL;DR

Abel Babalola

Need to Know Box adds a stylish, journalism-inspired summary box to your content. It uses a distinctive “double border” and hatched shadow effect that grabs reader attention immediately.
It is perfect for: 
* News Sites: Highlighting the key facts of a story. 
* Blogs: Adding a “TL;DR” (Too Long; Didn’t Read) section at the top of long posts. 
* Reviews: Listing Pros and Cons or quick specs.
Features 
* Block Editor Support: Fully integrated with Gutenberg. 
* Shortcode Support: Works with Classic Editor using <code>[need_to_know_box]</code>. 
* Global Customization: Change the accent color (bullets/links) to match your brand. 
* Font Inheritance: Automatically adopts your theme’s font for a seamless look. 
* Adjustable Text: Font size slider included in the block settings.

Need to Know Box

The standard for TL;DR summaries in WordPress. Perfect for news highlights and quick facts.

TL;DR vs Need to Know Box