Upload Converter for WebP

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Convert JPG, JPEG, and PNG images to WebP automatically or manually with bulk actions and Media Library buttons.

Author:Rony Bormon (profile at wordpress.org)
WordPress version required:5.2
WordPress version tested:6.8.3
Plugin version:1.0
Added to WordPress repository:10-08-2025
Last updated:19-11-2025
Rating, %:100
Rated by:3
Plugin URI:https://ronybormon.com/
Total downloads:1 070
Active installs:300+
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Upload Converter for WebP is a powerful WordPress plugin that automatically converts uploaded JPG, JPEG, and PNG images to modern WebP format for faster load times and better optimization. You can also convert existing images manually with one click from the Media Library or the plugin’s admin panel.

???? Features:

  • ✅ Automatic conversion to WebP during upload
  • ✅ Convert existing images from the admin dashboard
  • ✅ Media Library support:
    • List View: Action link to convert
  • ✅ Fullscreen lightbox preview with file info
  • ✅ Built using native WordPress functions (Imagick or GD)
  • ✅ Lightweight and cleanly coded for performance

How to Use

This plugin automatically converts images to WebP format during upload. You don’t need to do anything manually after installation.

???? Automatic Conversion (On Upload)

  • After activation, when you upload a JPG or PNG image to the Media Library, it will be automatically converted to WebP.
  • The converted image will be smaller in size, helping improve site speed and performance.

????️ Convert Existing Images

Option 1: From Media Library (List View)

  1. Go to Dashboard Media Library.
  2. Switch to List View.
  3. Select one or more JPG/PNG images.
  4. From the Bulk Actions dropdown, choose Convert to WebP.
  5. Click Apply.

Option 2: From Plugin Page

  1. Go to Dashboard WebP Converter (menu added by the plugin).
  2. You’ll see a list of all JPG and PNG images.
  3. Select the images you want to convert.
  4. Click on Convert Selected.
    ✅ After conversion, you’ll see the message:
    Converted to WebP successfully.

Notes

  • Only JPG and PNG images are supported.
  • Make sure your server supports WebP and the imagewebp extension in PHP.
  • If you get an error like “An error occurred in the upload”, check:
    • If the file type is supported
    • If PHP GD/WebP is enabled
    • File permissions are correct

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