Gitignore Generator

What this tool does

Gitignore Generator combines built-in .gitignore templates for common languages (Node.js, Python, Java, Go, Rust, .NET), operating systems (macOS, Windows, Linux) and editors (VS Code, IntelliJ, Vim), letting you toggle on exactly the ones relevant to your project and download the combined result.

Every new repository needs a .gitignore tailored to its language, tooling and the operating systems its contributors use, but hand-writing one from memory means almost certainly forgetting an entry, like .DS_Store on macOS or node_modules/ for Node projects, until it accidentally gets committed.

This generator keeps a focused library of templates for common languages, operating systems and editors, each self-contained, and lets you toggle on exactly the combination your project needs. Toggling several on at once simply concatenates their rules under clearly labelled section headers, so the result stays easy to read and edit later.

How to use Gitignore Generator

1. Toggle on every language, framework, OS and editor relevant to your project.
2. Review the generated .gitignore content.
3. Download it, or copy it directly into a new .gitignore file at your repository root.
4. Adjust the committed file by hand afterward for anything project-specific the templates don’t cover.

Tips for better results

• Including both your project’s OS-specific entries (like macOS and Windows) is worthwhile even on a single-OS team, since collaborators or CI runners may use a different operating system.
• Add the editor templates (VS Code, IntelliJ, Vim) that match your actual contributors’ tools, not just your own, so stray editor config files from any contributor stay out of the repository.
• This generator’s templates are deliberately kept general; large frameworks often have their own more specific .gitignore recommendations worth layering on top (for example, a specific web framework’s build output folder).
• Re-generate and merge in a new template any time you add a new language or tool to an existing project, rather than trying to remember every individual pattern it needs.

Common use cases

• Setting up a .gitignore for a brand new repository in a chosen language and toolchain.
• Adding a missing OS-specific or editor-specific section to an existing project’s .gitignore.
• Standardising a consistent .gitignore template across multiple repositories on a team.
• Quickly checking what a typical .gitignore for a given language or tool usually includes.

Common mistakes to avoid

• Only including your own OS’s template and forgetting that collaborators or CI environments may run a different operating system with its own stray files to ignore.
• Assuming the generated file is exhaustive for every possible build tool or dependency; framework-specific build output folders not covered here should be added manually.
• Adding .gitignore rules after files are already tracked by Git; existing tracked files need to be explicitly removed from tracking (git rm --cached) since .gitignore only affects untracked files.