Blog
Measured numbers, real comparisons, and practical workflows for turning documents into AI-ready Markdown.
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How to fix “context window exceeded” in ChatGPT and Claude
7 August 2026
Your file isn’t too big — it’s too expensive in tokens, and most of them are avoidable. The fix, in order of impact.
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PDF to Markdown for ChatGPT & Claude: the measured token savings
7 August 2026
Everyone repeats “30–60% fewer tokens.” We measured it per format — including the one where Markdown loses.
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MarkItDown vs Docling vs Marker vs Pandoc: an honest comparison
7 August 2026
Four engines, four different jobs — including the cases where the engine we build on is the wrong choice.
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Convert documents to Markdown entirely offline on your Mac
7 August 2026
Who actually needs local conversion, what “local” has to mean, and how to verify any converter’s claims yourself.
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Preparing documents for RAG: clean Markdown and heading-aware chunks
7 August 2026
Retrieval quality is decided before the chunker runs. A practical pre-processing pipeline, start to finish.
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Batch-convert a folder of Word and PDF files to Markdown
7 August 2026
Drag-and-drop batches, watch folders, the CLI, and Shortcuts — four ways to convert at folder scale, all local.
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Import Word docs and PDFs into Obsidian as clean Markdown
7 August 2026
Turn trapped documents into real, linkable notes — plus an inbox folder that converts itself into your vault.
Try the app behind the posts
Milldown turns anything into AI-ready Markdown — entirely on your computer. Free for 7 days.
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