.gitignore 自動生成ツール — カスタム Git 除外設定の作成
321種類以上の検証済みテンプレートから選択。ルールはリアルタイムで重複排除され、決定論的に統合されます。
技術スタックが選択されていません
上の検索またはクイック追加から技術スタックを選択してください。選択したテンプレートの詳細がここに表示されます。
テンプレートが選択されていません
上の検索からテンプレートを選択すると、統合された .gitignore がここにプレビューされます。
開発ワークフロー&構文Tips
How DotGitIgnore Generates Clean .gitignore Files
DotGitIgnore is a free .gitignore generator for software developers. It allows engineering teams to combine technology-specific templates across programming languages, web frameworks, IDEs, build systems, and operating systems into a single, cohesive, conflict-free configuration file.
What is a .gitignore file?
A .gitignore file tells Git which files and directories should not be tracked in version control. It prevents build outputs (dist/, target/), package caches (node_modules/, .venv/), local secrets (.env), and OS metadata (.DS_Store) from polluting commit logs.
Deterministic Deduplication
Unlike simple text concatenation, DotGitIgnore parses each template line-by-line. Exact duplicate rules are pruned automatically, rules are organized by stack priority (OS → IDE → Language → Framework → Tooling), and intentional negation rules (!) are preserved in their proper context.
Zero Tracking & Client-Side Execution
All template filtering, parsing, and merging execute 100% locally in your browser. No project source code, file paths, repository names, or environment configurations are ever transmitted to any remote server or third-party service.
Supported Development Ecosystems
DotGitIgnore catalogs over 320 verified configurations seeded directly from GitHub's authoritative github/gitignore repository and supplementary curated modern tooling:
How to Use Your Generated .gitignore
- Save to Repository Root: Download the file as
.gitignoreand place it in your root directory (e.g.~/my-project/.gitignore). - Stage and Commit: Add the ignore file to version control:
git add .gitignore && git commit -m "Add .gitignore". - Verify Rules: Test whether a specific file is ignored using Git's verification command:
git check-ignore -v path/to/file. - Fix Already-Tracked Files: If files were committed before adding your .gitignore, untrack them without deleting local data:
git rm --cached <file>.