# Node Duplicate Finder

> Use this skill when the user wants to find duplicate files.

- Skill: `javimosch/node-duplicate-finder` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/node-duplicate-finder`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/node-duplicate-finder/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/node-duplicate-finder

---


# Node-Duplicate-Finder Plugin

Find duplicate files in directories.

## Commands

### Duplicate Detection
- `node-duplicate-finder directory find` — Find duplicate files in directories

## Usage Examples
- "node-duplicate-finder directory find --directory ./photos"
- "node-duplicate-finder directory find --directory ./music --only mp3"

## Installation

```bash
npm install -g node-duplicate-finder
```

## Examples

```bash
# Find duplicates in directory
dedup ./photos

# Find duplicates recursively
dedup -r ./photos

# Ignore specific directories
dedup --ignore node_modules/ ./project

# Only check specific file types
dedup --only mp3 ./music

# Check multiple directories
dedup ./photos ./backup

# List only duplicates
dedup -l ./directory
```

## Key Features
- Duplicate file detection
- Content-based hashing
- Recursive scanning
- Ignore patterns
- File type filtering
- Multiple directory support