Based on our record, PhotoBulk Lite seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Maybe try PhotoBulk, it's cheaper than full editing apps and does the kind of batch processing you mention although I'm not sure if it extends the image with a white background. Source: about 1 year ago
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