suppress

Add the Table of Contents Block anywhere in your Gutenberg editor. It scans H2–H6 headings in the post content and builds a nested, clickable table of contents. Links automatically work by adding IDs to headings.
No configuration needed. Works on single posts and pages (not archives or category listings).
<ul>
<li>No theme editing required 
You can activate the plugin on any site.</li>
<li>Compatible with Gutenberg / Classic Editor 
It processes the final rendered HTML.</li>
<li>SEO-friendly 
IDs are based on sanitize_title(), the same function WP uses for slugs.</li>
<li>Works with headings that already have IDs 
It does not overwrite existing IDs.</li>
</ul>
Example: 
– Structure Your Content – Write your post or page using semantic headings (H2, H3, etc.)—just like you normally would. 
– Insert the Table of Contents Block – Add the “Table of Contents Block” anywhere in your editor (e.g., right after the introduction). 
– Let It Work Automatically – The plugin scans your headings, builds a hierarchical, scroll-linked table of contents in real time, and updates dynamically as you edit.
<h3>Key Features</h3>
<ul>
<li>Server-side generated Table of Contents</li>
<li>Automatically detects H2–H6 headings</li>
<li>Generates nested lists based on heading hierarchy</li>
<li>Automatically adds IDs to headings when missing</li>
<li>Lightweight and simple</li>
<li>Useful for:
<ul>
<li>Adding a Table of Contents to a post or page</li>
<li>Generating heading IDs</li>
<li>Linking to sections within content</li>
</ul>
</li>
</ul>
<h3>Why use this plugin?</h3>
<ul>
<li>Smart Parsing: Supports H2 through H6 headings</li>
<li>Clean Output: Uses standard HTML lists for maximum theme compatibility</li>
<li>Non-intrusive: Does not modify existing heading IDs</li>
<li>Lightweight & Fast</li>
</ul>

Supplyist TOC Block

A simple Gutenberg block that automatically generates a nested table of contents from post headings.

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.

Supplyist TOC Block vs Link to Headline – Anchor Link Generator