Troy Chaplin

ReadEase provides a simple, native Gutenberg block named Text Resizer aimed for block theme builders that gives site visitors control over text size. Theme builders can add the block to any template (header, footer, sidebar) via the Site Editor.
Built with accessibility in mind, this block helps your site meet WCAG 2.1 text resize guidelines while providing a seamless experience for visitors who need larger text.
<h4>Features</h4>
<ul>
<li>Multiple control styles – Choose from dropdown, buttons, slider, or minimal icons</li>
<li>Customizable label – Position on top, side, or hide completely with custom text</li>
<li>Flexible scale settings – Configure minimum/maximum scale (1.0x to 1.5x) and number of size steps (2-5)</li>
<li>Scale scope options – Apply scaling to full page or exclude template parts (header/footer)</li>
<li>Custom CSS selector – Target specific elements using advanced selector option</li>
<li>Mobile-only mode – Show controls only on mobile and tablet devices</li>
<li>Persistent preferences – Saves visitor choice via localStorage across sessions</li>
<li>Smooth CSS transitions – Animated scaling with reduced motion support</li>
<li>Fully accessible – Keyboard navigable with proper ARIA labels</li>
<li>Block theme support – Native WordPress color, spacing, and alignment controls</li>
<li>Theme customization – CSS custom properties for easy style overrides</li>
</ul>
<h4>Control Styles</h4>
<ul>
<li>Dropdown – Select menu showing percentage options (e.g., 100%, 125%, 150%)</li>
<li>Buttons – Row of “A” buttons in progressively larger sizes</li>
<li>Slider – Range input with small/large “A” labels at each end</li>
<li>Icons – Minimal button group with minus, reset (A), and plus controls</li>
</ul>
<h4>For Theme Builders</h4>
ReadEase integrates seamlessly with block themes. The block respects your theme’s color palette and typography, and provides CSS custom properties for advanced customization.
Customize the appearance in your theme CSS:
<pre><code>.wp-block-readease-text-resizer {
 --text-resizer-border-radius: 8px;
 --text-resizer-button-bg-hover: rgba(0, 0, 0, 0.1);
}
</code></pre>
See the full list of CSS custom properties in the <a href="https://github.com/troychaplin/readease" rel="nofollow ugc">GitHub documentation</a>.

ReadEase: Text Resizer

A Gutenberg block that lets site visitors resize text for improved readability and accessibility.

Siteimprove

The Siteimprove CMS Plugin bridges the gap between the WordPress content management system (CMS) and the Siteimprove Intelligence Platform. Now you can scan your website for errors as soon as a page is published, allowing you to fix mistakes, optimize content, and manage your site more efficiently. 
The plugin also provides you access to Prepublish, an add-on which allows you to check your page for issues before it has been published.

Turn your most complex website challenges into manageable tasks—all from a single platform

ReadEase: Text Resizer vs Siteimprove