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It's Back-to-School Season Again, How to Compress the PDF Homework Circulating in Parent Groups

During the back-to-school season, parent groups often face issues with PDF homework files being too large to send or open. This article explains in a conversational way why PDFs become large, recommends using an online 'PDF Compression' tool, which can reduce files from tens of megabytes to a few megabytes in a few steps while maintaining clarity, and provides practical tips to help parents easily handle file transmission problems.