Markdown guides, tools, and engineering decisions.
Practical notes on converting, styling, visualizing, and sharing Markdown—and the browser engineering behind each tool.
How Image to Markdown works with local Tesseract OCR
How the Image to Markdown page uses local Tesseract OCR and word-box geometry to rebuild headings, lists and tables without uploading your image.
ChatGPT to Word: turning AI Markdown into a document you can hand over
ChatGPT Markdown to Word: the five-minute pass over an AI answer, what survives as Word headings, tables and equations, and the settings that shape the DOCX.
Word to Markdown reads styles, not looks — and tells you what it dropped
Word to Markdown reads style names, not font sizes — why that gets headings, quotes and code right, and what the conversion notices tell you it dropped.
Clean mode: turning a webpage into Markdown an LLM can actually use
HTML to Markdown for LLM and RAG pipelines: the layers that strip nav bars, cookie banners and footer sitemaps, and what clean mode keeps on purpose.
Hand-drawn Mermaid diagrams: sketch-style flowcharts from plain text
Create hand-drawn Mermaid diagrams from plain text. Compare sketch and classic styles, customize fonts and colors, and export PNG, SVG, or .mmd.
Markdown + mindmap: visualize your Markdown outline with Markmap
Visualize any Markdown outline as an interactive mind map with Markmap. Collapse branches, search nodes, and export SVG, PNG, or standalone HTML.
Markdown page breaks and the print layout that makes them work
Add reliable page breaks to Markdown with one line of HTML, then fine-tune print layout with paper size, margins, fonts, colors, and previews.
PDF to Markdown: How Browser Conversion Actually Works
Learn how PDF to Markdown conversion tries complete pdf.js text extraction first, then uses automatic in-browser OCR only as a fallback for scanned PDFs.
Style your Markdown preview: themes, Google Fonts, and custom CSS
Style your Markdown preview with 9 built-in themes, 1,900+ Google Fonts, code block themes, and a live custom CSS editor that imports your blog’s stylesheet.
How private share links work — no uploads, no document database
A plain-English, inspectable tour of how Markdown Viewer compresses a document into a URL and reconstructs it entirely in the recipient’s browser.