Bitwarden Duplicate Checker | Remove vault duplicates easily.

A CLI utility designed to scan for duplicate password entries in your Bitwarden vault export.

Features

• (🔍) Scan your Bitwarden vault export for duplicate login entries
• (🌍) Detect duplicates by subdomain or apex domains for deeper scans (advanced mode)
• (⚡) Choose between automatic deletion or manual review of duplicates
• (🛠️) Configure advanced settings: root domain comparison, save to original file, show passwords
• (📁) Export results as JSON for easy import to your Bitwarden vault.

Setup

To use Bitwarden Duplicate Checker, make sure Node.js is properly installed on your computer (run node --version to check if it exists). If you don't have it installed yet, you can download it here.

Then, clone the repository and install the dependencies:

$ git clone https://github.com/BrianWalczak/Bitwarden-Duplicate-Checker.git; # Clone the repository from GitHub
$ cd Bitwarden-Duplicate-Checker # Enter the extracted repository folder
$ npm install # Install libraries and dependencies

To run the CLI, simply use the following command and follow the prompts:

$ node index.js
? Please enter the path to your vault export file (unencrypted): ▍

Results

After configuring the program, Bitwarden Duplicate Checker will scan for all account entries in your vault and search for potential duplicates.

Example Output

Checking 690 accounts with 544 unique websites...

[DETECTED] 3 duplicate(s) found for aa.com with username EXAMPLE and password *******...
√ Would you like to delete all duplicates for this website (y/n)? y
Duplicates for this login have been successfully deleted.

√ All accounts have been successfully processed, and 3 duplicates were detected (3 deleted)! Please enter a file location for the updated vault: new.json
Your updated vault export has been saved at ./new.json.

Contributions

If you'd like to contribute to this project, please create a pull request here. You can submit your feedback or any bugs that you find, on our issues page. Contributions are highly appreciated and will help us keep this project up-to-date!

If you'd like to support this project and its development, you can send me a donation here :)

Made with ♡ by Briann