XTND

Xtnd Table Of Content is a Gutenberg block plugin that adds a powerful, dynamic table of contents (TOC) to your posts and pages.
It automatically detects headings in your content and generates anchor links to improve navigation, accessibility, and SEO. You can choose which heading levels to include. It also supports both RTL and LTR languages, making it fully accessible to global audiences.
<h3>Features</h3>
<ul>
<li>Gutenberg block for inserting a table of contents</li>
<li>Supports heading level filtering (<code>h1</code> to <code>h6</code>)</li>
<li>Automatically updates as you edit your content</li>
<li>RTL and LTR support</li>
<li>SEO-friendly anchor generation</li>
</ul>
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. See the LICENSE file for more information.

XTND Table Of Content

Adds a dynamic, customizable table of content block for WordPress. Generates anchor links and supports RTL/LTR.

Vinod

Link to Headline is a WordPress plugin that automatically adds anchor link icons next to your heading elements (H2, H3, H4). When clicked, these icons copy the direct URL to that specific section to the clipboard, making it easy for readers to share precise parts of your content. Key Features: 
* Automatically detects and adds anchor links to headings 
* Copy-to-clipboard functionality with visual feedback 
* Configurable heading levels (H2, H3, H4) 
* Option to position icons on the left or right of headings 
* “Link Copied!” tooltip option 
* Exclude specific posts/pages from anchor link generation 
* Compatible with most themes and page builders
<h3>Upgrade to Link to Headline Pro</h3>
Supercharge your site navigation with our powerful Pro version! 
* Automatic Table of Contents (TOC): Automatically generate a “Table of Contents” from your headings to let users navigate long articles with ease. 
* Interactive TOC: The Pro TOC includes smooth scrolling, a collapsible box, and scrollspy (highlights the current section as you scroll). 
* More Heading Levels: Get support for H5 and H6 headings. 
* Manual Placement: Use the <code>[lthagp_toc]</code> shortcode to place your Table of Contents anywhere. 
* Priority Support: Get faster, dedicated support.
<a href="https://kudavoor.gumroad.com/l/link-to-headline-anchor-link-generator-pro" rel="nofollow ugc">Click here to learn more about the Pro version!</a>

Link to Headline – Anchor Link Generator

Automatically adds anchor links to headings, making it easy for readers to share specific sections of your content.

XTND Table Of Content vs Link to Headline – Anchor Link Generator