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Desktop App Mini Project Source Code + Docs + PPT

Duplicate File Finder Project

A Duplicate File Finder in C# .NET WinForms that finds duplicate files by content hash and helps delete them.

  • C#/.NET
  • WinForms
  • PostgreSQL
  • Remote setup included
Ask on WhatsApp

See the project running first, then pay.

Duplicate File Finder - Broken NEC CRT computer monitor 20080509a
Image: youngthousands / CC BY 2.0 via Wikimedia Commons

What is the Duplicate File Finder?

The Duplicate File Finder finds copies of the same file across folders. It compares files by size and then by MD5 hash, so even renamed copies are found.

Duplicates are shown in groups, and users can preview and delete extra copies safely. It is built with C# .NET WinForms.

Best for: BCA, MCA, BSc IT, BE / B.Tech (CSE / IT) and diploma students. Good as a mini project for your semester submission.

Key Features

Main things you can do with the Duplicate File Finder.

  • Scan folders and drives
  • Compare by size and hash
  • Find renamed duplicates
  • Group results
  • Preview files
  • Auto-select copies
  • Move to recycle bin
  • Space saved report

Project Modules

The project is divided into these modules. Each one has its own screens and tasks.

1Scan

  • Folders
  • Filters
  • Hashing
  • Progress

2Results

  • Groups
  • Preview
  • Sort
  • Details

3Actions

  • Select
  • Delete
  • Move
  • Keep newest

4Settings

  • File types
  • Min size
  • Exclusions
  • Theme

What You Get

Everything you need to submit, run and explain the project.

Complete Source Code

Full, working source code with clean folder structure and helpful comments. No locked or hidden files.

Database File

Ready-to-use PostgreSQL database with tables and sample data, so the project runs on day one.

Project Documentation

Full project report in Word and PDF: abstract, SRS, ER diagram, DFD, use case and class diagrams, screenshots, testing and conclusion.

PPT Presentation

A 15–20 slide presentation for your seminar, review or final viva. Easy to edit with your name and college.

Remote Project Setup

We connect to your laptop with AnyDesk or Google Meet, install everything and run the project for you.

Project Explanation

A simple walkthrough of the code and flow, plus common viva questions, so you can explain it with confidence.

Project Documentation includes

  1. Certificate, acknowledgement and abstract
  2. Introduction, problem statement and objectives
  3. Existing system vs proposed system
  4. Software Requirement Specification (SRS)
  5. System design: ER diagram, DFD, use case and class diagrams
  6. Module description and screenshots
  7. Testing and test cases
  8. Conclusion, future scope and references

PPT Presentation slides

  1. Title and team details
  2. Introduction and problem statement
  3. Objectives
  4. Existing vs proposed system
  5. System architecture
  6. Modules
  7. Technology used
  8. Screenshots / demo
  9. Advantages and future scope
  10. Conclusion

Tech Stack

PartTechnologyUsed for
LanguageC#/.NETApplication logic
UIWinFormsWindows forms and controls
DatabasePostgreSQLStores records locally
ReportsCrystal Reports / RDLC / PDF exportPrintable bills and reports

Software and hardware requirements

  • Windows 10 or 11 laptop with 4 GB RAM or more
  • Visual Studio 2019 / 2022 Community (free)
  • .NET Framework 4.7.2 or later
  • PostgreSQL (setup steps are in the documentation)

How the Duplicate File Finder Works

1

Login

Operator or admin logs in on the desktop.

2

Enter data

Staff fill simple forms to add or update records.

3

Save data

Records are stored in the PostgreSQL database on the PC.

4

Print

Bills, slips and reports are printed or saved as PDF.

Remote Project Setup Guidance

Not sure how to run it? We set up the project on your laptop over AnyDesk or Google Meet. No need to visit us.

  1. 1
    Share your details
    Tell us your laptop type (Windows / Mac) and a time that suits you.
  2. 2
    Install AnyDesk
    Install free AnyDesk (or join Google Meet) and share the access code.
  3. 3
    We set it up
    We install the required software, import the database and configure the desktop application.
  4. 4
    Test together
    We run the project in front of you and check every main feature.
  5. 5
    Understand it
    We explain the code, flow and database so you are ready for your viva.

  1. Install Visual Studio Community with the .NET desktop development workload.
  2. Install PostgreSQL and restore or attach the database file we provide.
  3. Open the .sln solution file in Visual Studio.
  4. Update the connection string in App.config if your server name is different.
  5. Press F5 (Start) and log in with the admin details from the documentation.

Duplicate File Finder Images

Duplicate File Finder - Cat-and-computer-monitor-3388
Cat-and-computer-monitor-3388 Image: User:Vmenkov / CC BY-SA 3.0 via Wikimedia Commons
Duplicate File Finder - Computer monitor samsung
Computer monitor samsung Image: G4ming4lif3 / Public domain via Wikimedia Commons

What You Will Learn

Building Windows forms with WinForms ADO.NET and database connections Printing bills and reports Input validation and error handling Creating a setup (installer) file

Frequently Asked Questions

Yes. Duplicate File Finder is a practical mini project that solves a real problem. It is suitable for BCA, MCA, BSc IT, BE / B.Tech (CSE / IT) and diploma students. It is easy to explain in a viva and easy to extend with your own ideas.

This desktop application is built with C#/.NET, WinForms, PostgreSQL. The full technology list is in the "Tech Stack" section above.

Yes. You get the complete source code and the PostgreSQL database file with sample data. Nothing is locked or hidden.

Yes. You get a full project report (Word and PDF) with diagrams and screenshots, and a ready PPT presentation for your review or viva.

Yes. We offer remote setup using AnyDesk or Google Meet. We install the software, run the project and explain how it works.

Yes. Small changes such as your college name, colours or extra fields can be done. Bigger custom features can be discussed on call or WhatsApp.

We follow a simple rule: you see the project running first, then you make the payment. You can pay by UPI or bank transfer.

Project Details

Available
  • ProjectDuplicate File Finder
  • TypeMini Project
  • CategoryDesktop App
  • LanguageC#/.NET
  • FrameworkWinForms
  • DatabasePostgreSQL
  • DocumentationReport + PPT
  • SetupRemote help
  • DeliverySource Code + Documentation
Chat on WhatsApp
Get the project first, then pay. No advance needed.

Need help? Call or WhatsApp

+91 90670 53826 +91 91451 51367

Available every day, 9 AM – 9 PM IST.

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