Responsive Image Switcher

Description

Responsive Image Switcher is a lightweight Gutenberg block that simplifies responsive image management in WordPress. Add the block, upload a desktop image (for screens ≥768px) and a mobile-optimized image (for screens <767px), and the plugin generates clean HTML5 <picture> markup. The browser automatically loads the appropriate image based on screen width, ensuring fast load times and an optimal user experience.

Key Features:
Device-Specific Images: Show different images on desktop (≥768px) and mobile (<767px)
Lightweight Solution: Uses standard HTML5 <picture> tags without extra JavaScript
Better Performance: Optimized for Core Web Vitals by reducing unnecessary image loading
SEO Friendly: Improves mobile user experience and page speed
Simple Interface: Easy-to-use block controls in the Gutenberg editor

Why Choose Responsive Image Switcher?
With over 60% of web traffic coming from mobile devices, delivering the right image for each screen size is critical. This plugin eliminates the need for complex CSS media queries or CDN setups, making responsive images accessible to everyone.

Screenshots

  • The block interface in Gutenberg editor showing desktop and mobile image upload options
  • Example of responsive images working on desktop and mobile devices

Blocks

This plugin provides 1 block.

  • Responsive Image Switcher Block for switching images depending on screen width.

Installation

  1. Upload the plugin ZIP via WordPress Admin (Plugins Add New Upload)
  2. Activate the plugin
  3. Find the “Responsive Image Switcher” block in Gutenberg editor

FAQ

Will this work with my existing WordPress setup?

Yes! The plugin works with:

Any modern WordPress theme (block-based or classic)

Most page builders (if they support Gutenberg blocks)

WordPress 6.5+ and PHP 8.0+

Will this work with my theme?

Yes, it works with any theme that supports the Gutenberg editor.

Should I optimize my images before uploading?

Yes, for best performance we recommend optimizing your images with tools like TinyPNG or ShortPixel before uploading.

Reviews

There are no reviews for this plugin.

Contributors & Developers

“Responsive Image Switcher” is open source software. The following people have contributed to this plugin.

Contributors

“Responsive Image Switcher” has been translated into 1 locale. Thank you to the translators for their contributions.

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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.0.2

  • Improved compatibility with WordPress 6.8
  • Fixed minor styling issues in the editor

1.0.1

  • Added better error handling for image uploads
  • Improved accessibility of the block controls

1.0.0

  • Initial release