WordPress Image Compressor is a plugin for WordPress that will convert all the images to JPG, and ensure they are under a certain size.
- Ability to set the JPG quality (for output)
- Ability to set the maximum width and maximum height
- Automatically convert all images to JPG from PNG and GIF
- Images that are previously JPG will be reprocessed to have the defined JPG quality
- Only will convert images – it will leave other files alone, such as PDFs, MP3s, and other files.