.gitignore generator online — build a tailored ignore file for your stack

This free .gitignore generator helps you combine ignore rules for Node.js, Next.js, Python, Rust, Go, Java, .NET, Terraform, Docker, macOS, Windows, Linux, and popular IDEs. Rules merge in your browser—ideal when you bootstrap a repo, onboard a team, or teach what belongs in version control versus local build output. Pair it with the JSON formatter for committed config samples, the UUID generator for fixtures, and the password generator for disposable local credentials—never commit real secrets.

Stacks & environments

Toggle sections; output merges in a sensible order. Uncheck all for a blank starter line.

Default: Node.js + macOS. Add Next.js, editors, or languages as needed.

Why a .gitignore file matters for every Git repository

Git tracks files you tell it to add. Without a .gitignore, it is easy to accidentally commit dependency folders, compiler output, log files, and OS metadata. That inflates clones, leaks machine-specific paths, and sometimes exposes environment files that should stay private. A shared ignore file encodes team policy: what is reproducible from source (install, build) stays out of history; what documents intent (README, CI config) stays in.

Search intent around gitignore generator online, Node gitignore, Python gitignore, and Next.js gitignore usually means “give me a safe default fast.” This page does that with explicit sections you can toggle, then refine in the preview before you download or copy. For release hygiene, also scan your deployed URLs with the redirect chain checker and SSL certificate checker—those concerns are separate from ignore rules but part of the same shipping mindset.

How to use this .gitignore generator (step by step)

  1. Check the boxes that match your OS, language, framework, and tooling. Use a preset such as Next.js kit or Python kit if you want a one-click baseline.
  2. Read the preview. Each block starts with a comment header so you know where rules came from. Delete overlaps or add project-specific globs directly in the textarea.
  3. Optional: click Upload to load an existing .gitignore from disk, then merge mentally with new checkboxes or use Reset to selections to rebuild from the UI.
  4. Use the copy control or Download to save .gitignore at your repository root. Commit it, and run git status to confirm junk no longer appears as untracked noise.

Keywords and stacks this generator covers

Templates include patterns people search for alongside gitignore Terraform, Docker gitignore, Rust cargo, Go vendor, Ruby bundler, PHP Composer, .NET bin and obj, Swift Xcode, Flutter, and low-level C/C++ build trees. Editors cover VS Code and JetBrains with selective keep rules for shared workspace settings. If you work mostly in structured data, round-trip YAML with the YAML to JSON tool before you commit examples.

Secrets, .env files, and what .gitignore cannot fix alone

Many stacks ignore .env so local API keys never hit Git by accident. That only works if the file was never tracked. Rotate keys if a secret was pushed, and use server-side scanning in CI. This page does not store your preview; still avoid pasting production credentials into shared machines. For random test passwords, use the password generator and document format expectations with the regex tester when you validate user input in apps.

Related developer tools

Browse the full code and developer tools section. Highlights:

  • JSON Formatter & ValidatorFormat, validate, minify, and explore JSON in a collapsible tree—fix payloads before they hit production.
  • JSON to CSV ConverterTurn JSON arrays into downloadable CSV with automatic column detection for spreadsheets and BI tools.
  • JSON to YAML ConverterConvert JSON to readable YAML for configs and Kubernetes—copy or download the result.
  • CSV to JSON ConverterPaste or upload CSV and get structured JSON with header-aware typing for APIs and apps.
  • YAML to JSON ConverterParse YAML to valid JSON with clear errors—ideal for CI configs and cloud templates.
  • XML Formatter & ValidatorBeautify and validate XML with structure insight and actionable parse errors.
  • Regex Tester & DebuggerTest patterns live with highlights, capture groups, and flags—debug regex without leaving the browser.
  • SQL FormatterPretty-print SQL with indentation and keyword casing for readable queries and code review.
  • HTML Formatter & MinifierBeautify or minify HTML and compare raw markup with a quick rendered preview.
  • CSS Formatter & MinifierFormat messy stylesheets or minify CSS for faster loads—keep design tokens consistent.
  • JavaScript Formatter & MinifierPretty-print or minify JavaScript for debugging locally and shipping smaller bundles.
  • HTML to Markdown ConverterConvert HTML snippets to Markdown for docs, CMS migrations, and README cleanup.
  • Markdown to HTML ConverterTurn Markdown into HTML with a live preview—handy for emails, blogs, and static pages.
  • Code Diff CheckerCompare two code blocks side by side with clear add/remove highlighting for reviews.

Frequently asked questions

What does this .gitignore generator do?
You pick languages, frameworks, operating systems, and editors from a checklist. The tool merges curated ignore rules into one file you can copy or download. Everything runs in your browser—no upload of your repository is required unless you choose to load an existing .gitignore from disk to edit it locally.
Is my project sent to your servers?
No. Templates are bundled with the page and merging happens in JavaScript inside your tab. If you use Upload, the file is read with the File API in the browser only. Download uses a blob URL; nothing is posted to an API for generation.
Should I commit .gitignore to Git?
Yes, for almost all projects. A tracked .gitignore helps every clone ignore the same build outputs, dependencies, and OS junk. Pair it with good secrets hygiene: never commit API keys or .env files with real credentials—many templates ignore .env but you still must not push secrets.
Why are some rules duplicated after I select Node and Next.js?
Next.js builds on Node; some patterns overlap (for example .next/ may appear conceptually under both). The generator uses separate sections with headers. If you see duplicate lines, you can delete one in the editor before download. Use Reset to presets to snap back to a clean merge from your current selections.
Does this replace GitHub’s official gitignore templates?
It is a fast, opinionated subset for common stacks. For edge cases or rare tools, copy extra lines from GitHub’s gitignore repository or your framework docs. This page is meant for bootstrapping repos and teaching which categories belong in a .gitignore.
How do negation rules work (! pattern)?
Lines starting with ! re-include a path that a broader rule excluded. Some templates use !.env.example so you can commit a sample env file while ignoring real .env files. Order matters: the last matching rule wins for a given path.
Can I ignore a file that is already tracked?
Adding it to .gitignore only affects untracked files. If Git already tracks a file, run git rm --cached <file> (or the folder) and commit, then keep the pattern in .gitignore. Otherwise the file stays in history until you rewrite history.
What related tools should I use with this?
Use the password generator for local test credentials, the UUID generator for IDs in fixtures, and the JSON or YAML formatters when you edit config samples you do commit. For deployment URLs and headers, the redirect chain checker and SSL certificate checker help validate production endpoints.