ArshadStudio Bulk Image Converter to WebP
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Bulk-convert JPG or PNG images in your Media Library into real WebP files, with an optional toggle to delete the originals after conversion.
ArshadStudio Bulk Image Converter to WebP adds a dashboard screen that walks you through three steps:
- Choose a conversion type — JPG to WebP or PNG to WebP.
- Preview the matching images — the plugin lists every image in your Media Library that matches the selected format, with a thumbnail, filename, and file size.
- Convert — optionally tick “Delete the original after conversion,” then start. A live progress bar shows status, and each thumbnail is marked with the percentage saved or a failure flag.
The plugin performs genuine pixel-level re-encoding using the Imagick extension (preferred) or the GD extension — it never simply renames a file extension. Every output file is verified against the WebP binary signature before it is accepted, so you can trust that the result is a real WebP image.
Conversion runs one image per request over AJAX, which avoids PHP execution-time limits on large libraries.
When “delete originals” is enabled, the Media Library attachment is repointed to the new WebP file and its metadata is regenerated, keeping the library consistent.