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Markdown TOC Generator

Generate a clean, linked table of contents from any Markdown document. Pick the heading levels you want included, choose ordered or bullet lists, and copy a ready-to-paste TOC for your README, docs, or blog post.

ツール要約

このツールは構造化された入力を受け取り、サーバーへアップロードせずにブラウザで決定的な出力を返します。

ツール名
Markdown TOC Generator
入力の目的
変換・検証・分析するソースコンテンツを入力してください。
出力の目的
コピー・再利用・デバッグに適した正規化された出力を受け取ります。
入力例
# Guide ## Install ## Configure ### Environment ### Secrets
出力例
- [Install](#install) - [Configure](#configure) - [Environment](#environment) - [Secrets](#secrets)
Recent inputs0

Your last 5 inputs will appear here.

9 headings detected
- [Installation](#installation)
  - [macOS](#macos)
  - [Linux](#linux)
- [Configuration](#configuration)
- [Usage](#usage)
  - [Basic example](#basic-example)
  - [Advanced example](#advanced-example)
- [Troubleshooting](#troubleshooting)

ツールの紹介

Generate a clean, linked table of contents from any Markdown document. Pick the heading levels you want included, choose ordered or bullet lists, and copy a ready-to-paste TOC for your README, docs, or blog post.

ツール概要

Long Markdown files get easier to navigate when they start with a TOC. This tool parses your document, skips code fences, deduplicates anchor slugs the same way GitHub does, and builds a nested list that mirrors your heading hierarchy. Everything runs in the browser — your draft never leaves your tab.

ユースケース

  • Add navigation to a long README on GitHub
  • Build a docs landing page with deep-linked sections
  • Insert a sticky TOC into a Markdown blog post
  • Audit heading structure for a documentation site

入力/出力の例

H2-H3 range, bullet style, anchor links enabled.
入力の目的
# Guide
## Install
## Configure
### Environment
### Secrets
出力の目的
- [Install](#install)
- [Configure](#configure)
  - [Environment](#environment)
  - [Secrets](#secrets)

よくある質問

Are anchor slugs compatible with GitHub?+
Yes. The slug algorithm lowercases text, replaces spaces with dashes, strips Markdown emphasis characters, and de-duplicates repeated headings — matching GitHub's behavior.
Does it ignore code blocks?+
Yes. Fenced code blocks are skipped so `# comments` inside code don't become TOC entries.
Can I generate an ordered (numbered) list?+
Yes. Toggle the ordered option to emit 1. style markers instead of bullets.
Is my Markdown sent anywhere?+
No. Parsing happens entirely in your browser.

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