Free Mac bulk image converter
Pixel Presser
Pixel Presser bulk converts folders of oversized images into lighter WebP and web-ready files, so pages load faster and big uploads stop dragging down your workflow. Completely free.
Version 1.0.1 build 17 · 973 KB zip · macOS 14+ on Apple Silicon
Bulk folder drops
Drag in a folder of source images and process the whole batch in one run.
WebP and more
Convert batches to WebP, JPEG, PNG, HEIC, or keep each file in its original format.
Resize oversized images
Cap large exports before they hit a CMS, email thread, storefront, or website.
Quality control
Dial in compression so a batch gets smaller without flattening the image quality you need.
Strip metadata
Remove extra file data during conversion to keep outputs lean and web-ready.
Keep it local
Resize, compress, and convert on your Mac without uploading source files to a cloud service.
Parallel conversion
Moves through large batches of oversized images with parallel processing and the WebP encoder included.
Lighter uploads
Trim heavy image sets before they chew through bandwidth, storage, and patience.
Today's forecast: fewer bloated uploads, faster pages, calmer servers.