Skip to main content
AcademicWingsSTEM discovery
Blog

CSV Duplicate Finder

A simple Flask web application that allows users to upload CSV files and identify duplicate rows based on all columns.By AcademicWings Team3 min read

A simple Flask web application that allows users to upload CSV files and identify duplicate rows based on all columns.

Features

  • Upload CSV files through a web interface
  • Identify duplicate rows across all columns
  • Display original data and duplicate rows in tables
  • Download duplicate rows as a separate CSV file

Installation

  1. Install the required dependencies:
   pip install -r requirements.txt
  1. Run the application:
   python app.py
  1. Open your browser and navigate to http://localhost:5000

Usage

  1. Click "Choose File" to select a CSV file
  2. Click "Upload and Process" to analyze the file
  3. View the original data and any identified duplicates
  4. If duplicates are found, click "Download Duplicates CSV" to download them

Requirements

  • Python 3.7+
  • Flask
  • Pandas