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Limit image file types

Restrict the Image Hopper field to accept only JPG, PNG, and GIF images, blocking BMP, WebP, and HEIC uploads.

Limit uploads to JPG, PNG, and GIF only:

// Only accept JPG, PNG, and GIF uploads.
gform.addFilter('image_hopper_filepond_config', function(config, FilePond, $form, currentPage, formId, fieldId, entryId, files, inputField) {
  config.acceptedFileTypes = ['image/png', 'image/jpeg', 'image/gif'];
  return config;
});