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.gitignore Generator: Build a .gitignore for Any Stack

Generate a clean .gitignore file for any combination of languages, frameworks, editors, and operating systems. Search, select, and download in seconds.

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About This Tool

How this .gitignore generator merges curated templates into one file

A .gitignore file is only useful if it covers every layer of your actual project: the language runtime, the framework, the editor, and the operating system you’re developing on. This tool keeps a set of curated pattern blocks for each of those layers separately, as plain multi line strings, and lets you pick as many as apply, then concatenates the chosen blocks into one file with clear comment headers marking where each section starts.

The template text lives directly in the page’s JavaScript as a static object. There’s no lookup against GitHub’s own gitignore template repository or any other network source; everything the generator can produce is already in the script that ships with the page, and the merge itself runs instantly in the browser.

Twenty-nine curated templates across four categories

Rather than one generic template per ecosystem, the pattern set is split so you compose exactly the layers your project needs.

CategoryIncluded templates
LanguagesNode, Python, Java, Go, Rust, Ruby, PHP, C++, C#, Swift, Kotlin, Dart/Flutter
FrameworksReact, Next.js, Vue, Angular, Django, Flask, Ruby on Rails, Laravel
Editors and OSVS Code, IntelliJ, Sublime Text, macOS, Windows, Linux
InfrastructureDocker, Terraform, and a general Env / Secrets block

How the merge actually works

Step 1 Track selections in a plain object Each template name is a chip; clicking one flips a boolean flag for that name in a selection object, and the chip’s active styling reflects the current state.
Step 2 Filter and sort selected names On generate, the tool pulls only the names flagged true, sorts them alphabetically, and looks up each one’s raw pattern block from the templates object.
Step 3 Join with blank-line separation Each template’s block already starts with its own # comment header (like # Node), so blocks are joined with a double newline between them, keeping every section visually distinct in the final file.
Step 4 Prepend an attribution header The output starts with a comment noting it was generated by the tool, which is a habit worth keeping in any generated config file so a future reader knows where to regenerate it from.
// simplified from generate() in the tool source var names = Object.keys(selected) .filter(function(k) { return selected[k]; }) .sort(); var out = ‘# Generated with ConvertNow.Tools .gitignore Generator\n\n’; out += names.map(function(n) { return TEMPLATES[n]; }).join(‘\n\n’);
Duplicate patterns across templates aren’t deduplicated. If you select both React and Next.js, for example, patterns that appear in both blocks (both ignore build output directories, though under different names) show up twice in the merged file since each block is inserted verbatim. Git tolerates duplicate ignore rules without complaint, so this doesn’t cause any functional problem, it just means the generated file isn’t maximally compact. Read through the merged result once before committing it if a lean file matters to you.
Live search filter

Typing in the search box filters the visible chip list by substring match against template names, useful once you’re scanning through all twenty-nine options for one specific framework.

Sensible starting defaults

Node, macOS, and VS Code are pre-selected on load, reflecting the most common baseline for a JavaScript project developed on a Mac in VS Code, and a first file generates automatically without needing a click.

Static curated pattern blocks No network lookup Alphabetical merge order

Templates and Git documentation

  • git-scm.com: gitignore is the official Git documentation for pattern syntax, negation with !, and precedence rules.
  • github/gitignore is GitHub’s own community-maintained template repository, the closest thing to a canonical source for per-language ignore patterns.
  • GitHub Docs: Ignoring files explains how .gitignore interacts with already-tracked files, a common point of confusion.

What people ignore, and why

Setting up a new repository’s ignore rules in seconds instead of copying boilerplate from memory, adding a missing OS or editor layer to an existing .gitignore that only covers the language, standardizing ignore file contents across a team’s projects that mix Node, Python, and Docker, and quickly checking exactly which patterns a given framework template recommends before deciding whether to adopt them as is.

Common Questions

Frequently Asked Questions

A .gitignore file is a plain text file placed in a Git repository that tells Git which files and directories to exclude from version control, one pattern per line. This typically includes build artifacts, dependency directories like node_modules, compiled binaries, log files, environment variable files containing secrets, and editor or operating system generated files like .DS_Store, none of which belong in your shared source history.

Dependency folders and build output are either regenerated automatically from your source code and lock files, or are extremely large and change on every install, committing them bloats your repository size, causes unnecessary merge conflicts, and can even introduce platform-specific binaries that break for other contributors. The standard practice is to commit your source code and lock files (like package-lock.json), then let each environment regenerate its own dependencies and build output locally.

Adding a .gitignore file only affects files that are not yet tracked by Git, any file already committed to your repository’s history will continue to be tracked even if it now matches a .gitignore pattern. To stop tracking a file you’ve already committed, remove it from Git’s index with `git rm –cached ` (this deletes it from version control but keeps it on your local disk), then commit that change alongside your new .gitignore.

Yes, that’s exactly what this tool is built for, select every template relevant to your project (for example, Node, React, and your editor and OS) and they’ll be merged into a single .gitignore with clear section comments marking where each template’s patterns begin. There’s no real limit to how many templates you can combine.

Generally yes, treat the generated file as a strong, standard starting point rather than a final answer, most projects will want to add a few project-specific entries (custom output directories, local configuration files, generated documentation) that no generic template can anticipate. It’s good practice to review the file once before committing it.

No, a single .gitignore at the root of your repository is sufficient for most projects, since Git applies its patterns recursively to all subdirectories unless a pattern is anchored with a leading slash. Some larger monorepos do use additional .gitignore files in specific subfolders for folder-specific exceptions, but this is the exception rather than the rule.

No, this tool only assembles static template text you select, it has no access to your actual project files, folder structure, or repository, and everything happens locally in your browser. Generating a .gitignore here is completely independent of and disconnected from your actual codebase until you manually copy or download the result into it.

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