Annotate any document and train extraction by example, not prompts

Show HN: Annotate any document and train extraction by example, not prompts

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Hi HN, I built a tool for teaching LLMs how to extract structured data from documents by annotating, not prompt engineering. I’d love your feedback.How it works: - Upload a document (DOCX, PDF, image, etc.) - Select and tag parts of it (supports nesting, arrays, custom tag structures) - Upload another document → click "predict" → see editable annotations - Amend them and save as a new example - Call the API with a third document → get JSON backUse cases: - Identify "important clauses" in contracts - Extract "total value" from invoices - Anything subjective, like "healthy ingredients" on a label - Anything objective, like "postcode" or "phone number" You could even tag things like "good rhyme

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Website: deeptagger.com