mdfit - Fit Any Markdown

An Obsidian plugin that auto-converts pasted LLM output (ChatGPT / Claude / Gemini) into clean Markdown the moment it lands in a note — no manual cleanup.

Paste from an AI chat and get, instantly:

• Math that renders: \(...\) → $...$, \[...\] → $$...$$, LaTeX environments wrapped, mid-sentence display math kept on its own lines.
• Correct heading levels (ChatGPT's shallow ### headings promoted to #).
• Citation noise like 【20†L33-L40】 and dangling [1] stripped.
• Real Markdown tables and task lists recovered from chat-app HTML.
• **Note:** paragraphs turned into Obsidian callouts.
• Tidy CJK ↔ Latin spacing, zero-width characters and "Copy code" junk removed.

Code blocks, inline code and math are never touched — conversion is guarded by a protection layer, so examples inside your notes stay byte-identical.

Usage

Just paste into any note (Ctrl+V). The plugin converts the clipboard content (plain text, or the rich HTML flavor when it carries tables/KaTeX) and inserts the result. Toggle it at any time with the command "mdfit: Toggle paste conversion on/off".

Install

From the community directory (recommended)

Settings → Community plugins → Browse → search "mdfit" → Install.

Manual install

1. Download main.js and manifest.json from the latest release.
2. Copy both files into <your-vault>/.obsidian/plugins/mdfit/.
3. Enable mdfit - Fit Any Markdown in Settings → Community plugins.

Development

The source code lives in the md-fit-all monorepo (packages/obsidian-plugin), alongside the mdfit CLI and the conversion engine mdfit-core. This repository is the release channel for the Obsidian community directory.

MIT License.