GitGroomer

Patch Cleaner

Clean Git-style diff/patch files by removing diff markers and extracting the final version of your code. Supports drag-and-drop for .diff and .patch files.

How to Use

1

Input Patch: Paste your Git patch or drag & drop a .diff/.patch file into the input area.

2

Auto Process: The tool automatically removes diff markers (-, +, @@) and extracts clean code.

3

Copy or Download: Get your cleaned code via copy button or download as a file.

Input Patch

Cleaned Output

Your cleaned code will appear here...

What is a Git Patch Cleaner?

A Git patch cleaner is an essential developer tool that processes Git diff/patch files to extract the final, clean version of your code. When working with Git patches, you often need to see what the code will look like after applying changes, without the diff markers (-, +, @@) that make patches difficult to read and use directly.

Common Use Cases

Code Review Process

Extract clean code from patch files during code reviews to better understand the final implementation.

Patch Application

Preview what your files will look like after applying patches before committing changes to your repository.

Documentation

Generate clean code examples from patches for documentation, tutorials, or sharing with team members.

Migration & Backup

Convert patch files to clean source code when migrating between version control systems or creating backups.

How Git Patches Work

Git patches use a unified diff format that shows changes between two versions of a file. Lines starting with - indicate deletions, lines with + show additions, and lines without prefixes represent unchanged context. Our patch cleaner intelligently processes these markers to reconstruct the final file content.

Example Patch Processing:

Input (Git Patch):

--- a/config.js
+++ b/config.js
@@ -1,4 +1,5 @@
 const config = {
-  port: 3000,
+  port: process.env.PORT || 3000,
+  host: 'localhost',
   debug: true
 };

Output (Clean Code):

const config = {
  port: process.env.PORT || 3000,
  host: 'localhost',
  debug: true
};

Frequently Asked Questions

What file formats does the Git Patch Cleaner support?

Our patch cleaner supports all standard Git diff formats including .diff, .patch, and .txt files. It can process unified diff format, context diff format, and Git-specific patch files generated by commands like git diff, git format-patch, and git show. You can also paste patch content directly into the text area.

Is my code secure when using this online patch cleaner?

Absolutely! GitGroomer's patch cleaner runs entirely in your browser using client-side JavaScript. Your code never leaves your machine or gets sent to any server. All processing happens locally, ensuring complete privacy and security for your sensitive code and patches. You can even use the tool offline once the page is loaded.

Can I process multiple files from a single patch?

Currently, the patch cleaner processes all content as a single output, combining changes from multiple files in a patch. If your patch contains multiple files, the tool will extract and clean all the final content together. For patches with multiple files, you may need to manually separate the output or use our upcoming "Patch to File Converter" tool for multi-file support.

How do I generate a Git patch file to use with this tool?

You can create Git patches using several commands: git diff > changes.patch for unstaged changes, git diff --cached > staged.patch for staged changes, or git format-patch -1 HEAD for the last commit. You can also get patches from GitHub pull requests by adding .patch to the PR URL.

What's the difference between this and applying a patch with Git?

Git's git apply command actually modifies files in your repository, while our patch cleaner simply shows you what the final code will look like without making any changes. This is perfect for previewing patches, code review, documentation, or when you need clean code content without affecting your Git repository. It's a safe, read-only way to understand patch contents.