広告が嫌いですか? 行く広告なし今日 

コードシンタックスハイライター

開発者文章

広告・取り除く？

入力

自動処理

コード

言語

テーマ

オプション

Show Line Numbers

Word Wrap

Highlight Lines

Comma-separated line numbers or ranges (e.g. 1,3,5-8)

出力

クライアント側

広告・取り除く？

ガイド

コードシンタックスハイライター

Paste code in any of 100+ programming languages and get instant, beautifully syntax-highlighted output. Choose from 20 popular themes, toggle line numbers, highlight specific lines, and export as embeddable HTML with inline CSS.

使い方

Paste or type your code in the editor. Select the programming language (or use auto-detect) and pick a color theme. The highlighted preview updates in real time. Copy the output as HTML with inline styles for embedding in blogs, docs, or emails, or download as an HTML file.

特徴

100+ languages – JavaScript, Python, TypeScript, Java, C++, Go, Rust, SQL, HTML, CSS, Bash, and many more via highlight.js
20 themes – Monokai, Dracula, GitHub Light/Dark, VS Code Dark, Nord, One Dark, Solarized, and more
Line numbers – Toggleable line numbering for easy reference
Line highlighting – Emphasize specific lines by number for tutorials and code reviews
Auto-detect language – Automatic language detection when you’re not sure
Embeddable HTML – Copy highlighted code with inline CSS that works anywhere
Word wrap – Toggle word wrapping for long lines