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.gitignore Generator

Developer

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INPUT

Auto Process

OUTPUT

Client Side

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Guide

.gitignore Generator

Generate comprehensive .gitignore files by selecting from 30+ curated presets covering popular languages, frameworks, IDEs, operating systems, and DevOps tools. Merge multiple templates into a single, deduplicated file ready for your project.

How to Use

1. Browse or search the preset grid to find your languages, frameworks, and tools.
2. Click presets to select them — selected items are highlighted.
3. The generated .gitignore appears instantly in the output panel with merged, deduplicated patterns.
4. Add custom patterns if needed.
5. Test filenames against your patterns to verify coverage.
6. Copy to clipboard or download as a .gitignore file.

Features

30+ Curated Presets – Templates for Node.js, Python, Java, Go, Rust, Ruby, PHP, React, Vue, Angular, Django, Rails, Laravel, Docker, Terraform, and more.
Smart Merging – Automatically deduplicates patterns when combining multiple presets.
Custom Patterns – Add your own ignore rules alongside preset templates.
Filename Testing – Check if a specific file would be ignored by the generated patterns.
Searchable Grid – Quickly find presets with the built-in search filter.
Instant Download – Export directly as a .gitignore file.

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 FAQ

What is a .gitignore file and how does Git use it?

A .gitignore file tells Git which files and directories to exclude from version control. Git checks this file before staging changes and skips any paths that match the listed patterns. This prevents build artifacts, dependencies, IDE settings, and sensitive files like API keys from being committed. Multiple .gitignore files can exist in different directories, with rules applying relative to that file's location.
How do .gitignore pattern matching rules work?

Gitignore uses glob patterns similar to shell wildcards. A leading slash anchors the pattern to the .gitignore file's directory. A trailing slash matches only directories. An asterisk (*) matches anything except slashes, double asterisk (**) matches across directories, and a question mark (?) matches any single character. A leading exclamation mark (!) negates a pattern, re-including a previously excluded path. Patterns are evaluated in order, with later rules overriding earlier ones.
Why should node_modules and build folders be gitignored?

Dependency directories like node_modules can contain tens of thousands of files totaling hundreds of megabytes — far too large for version control. These files are reproducible from package.json/package-lock.json via npm install, so storing them wastes repository space and slows cloning. Build folders (dist, build, .next) contain generated output that changes with every build and should be rebuilt from source. Tracking them causes constant merge conflicts and bloats repository history.