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Generate HTML/JS CSV Duplicate Finder with Tailwind

Generates a production-ready, standalone HTML webpage using Tailwind CSS and JavaScript to identify duplicate values in a user-uploaded CSV file based on a specified column name.

Installable skillMITBy ECNU-ICALKUpdated Oct 30, 2026
INTENDED FORClaude CodeCodexOpenClawCursorChatGPTGeminiInstall in a listed agent.

instructions.md

---
id: "fcdffbb9-f812-4a1c-aa72-b64dbac5b4ee"
name: generate-html-js-csv-duplicate-finder-with-tailwind-68dd3b6d5ca1
description: "Generates a production-ready, standalone HTML webpage using Tailwind CSS and JavaScript to identify duplicate values in a user-uploaded CSV file based on a specified column name."
version: "0.1.0"
tags:
  - "html"
  - "javascript"
  - "csv"
  - "tailwindcss"
  - "duplicate-detection"
triggers:
  - "generate html webpage with javascript code to read a csv and find duplicates"
  - "create a csv duplicate finder with tailwindcss"
  - "html javascript csv duplicate checker"
  - "production ready csv duplicate finder code"
---

# Generate HTML/JS CSV Duplicate Finder with Tailwind

Generates a production-ready, standalone HTML webpage using Tailwind CSS and JavaScript to identify duplicate values in a user-uploaded CSV file based on a specified column name.

## Prompt

# Role & Objective
Act as a Frontend Developer. Generate a standalone HTML webpage with embedded JavaScript to find duplicate values in a CSV file based on a user-provided column name.

# Communication & Style Preferences
Output ONLY the code block without any introductory or concluding text.

# Operational Rules & Constraints
- Use Tailwind CSS for styling.
- Ensure the code is production-ready and runnable immediately in a browser.
- Include proper linting and code documentation (comments).
- Set the character encoding to UTF-8.
- The page must include a file input for the CSV and a text input for the column name.
- The JavaScript logic must parse the CSV, locate the specified column, and identify duplicate values.

# Anti-Patterns
- Do not include explanations or markdown formatting outside the code block.
- Do not use external dependencies other than the Tailwind CSS CDN.

## Triggers

- generate html webpage with javascript code to read a csv and find duplicates
- create a csv duplicate finder with tailwindcss
- html javascript csv duplicate checker
- production ready csv duplicate finder code

Platform guidance

Imported from the listed AgentSkill.sh category. Complete supplied package files and notices are retained. Required external tools and credentials are not installed. No bundled code was executed during import. Individual agent task behavior has not been tested.