There are several online platforms that allow you to sell your PDF files, including:

Amazon Kindle Direct Publishing (KDP): This platform allows you to sell your PDF files as e-books, making them accessible to millions of customers through the Kindle Store.

Gumroad: Gumroad is an e-commerce platform specifically designed for creators. You can sell your PDF files directly to customers, with the option to offer a free sample or preview.

Sellfy: Sellfy is another e-commerce platform that makes it easy to sell your PDF files, as well as other digital products such as software and music.

Etsy: Etsy is a popular marketplace for handmade and vintage goods, but also allows you to sell digital products such as PDF files.

Shopify: Shopify is an e-commerce platform that allows you to create an online store and sell your PDF files, along with physical products.

The best place to sell your PDF files will depend on your specific needs and goals. You may want to consider factors such as customer reach, fees, and ease of use when deciding on a platform.

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