Password Manager

A small Java Swing password manager I built for my Java class final assignment.

This is a short, simple, fun little project that stores login entries locally in a desktop app with a clean dark UI. I decided to put it on GitHub in case it helps someone who is learning Java, Swing, file handling, or basic encryption ideas.

What This Project Does

This app lets you:

• add password entries
• edit existing entries
• delete entries
• search by title or username
• view saved account details in a simple dashboard
• store passwords in a local CSV file with basic Vigenere-cipher-based encryption

It is designed for learning and demonstration, not for serious production security.

Screenshots

Main Dashboard	Entry Form

The app uses a dark desktop-style layout with a searchable sidebar, a detail panel, and a simple add/edit dialog.

Built With

• Java
• Java Swing
• local CSV storage
• a custom Vigenere cipher utility

Project Structure

• src/PasswordVault.java - main app window and UI logic
• src/EntryDialog.java - add/edit dialog
• src/PasswordEntry.java - password entry model and CSV conversion
• src/VigenereCipher.java - encryption/decryption helper

How To Run

1. Clone the project

git clone <your-repo-url>
cd Java-Password-Manager

2. Create a .env file in the project root

Create .env in the project root directory, not inside src/.

VIGENERE_KEY=your-secret-key-here

If no .env file is found, the app falls back to a default key.

3. Compile and run

cd src
javac PasswordVault.java PasswordEntry.java EntryDialog.java VigenereCipher.java
java PasswordVault

What To Expect

When the app starts, it loads entries from a local vault.csv file if one exists. From there you can:

• create a new entry with title, username, password, and URL
• click an item in the sidebar to view its details
• search entries live from the top search bar
• edit or delete entries from the toolbar
• reveal or copy stored values from the detail panel

If vault.csv does not exist yet, the app will simply start with an empty vault.

Important Note

This project is mainly for coursework and learning.

It uses a Vigenere cipher to avoid storing passwords as plain text in the CSV file, but it is not meant to be a fully secure or production-ready password manager. If you need real password protection, use a well-established password manager with modern encryption and security practices.

Why I Uploaded This

I wanted to share a class project that I had fun building. If you are learning Java Swing or working on a similar school project, maybe this gives you a useful starting point or a few ideas.

If it helps you, that is already a win.