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14th December 2025

Tool Blog to Newsletter — Convert blog entries into Substack newsletter content with this tool that pulls from a Datasette backup of simonwillison.net. The application fetches recent blog posts, links, quotes, and notes, then generates formatted HTML ready to paste into Substack, while also tracking which content has already been sent in previous newsletters to avoid duplicates.
Posted 14th December 2025 at 11:54 pm

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