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Personal Project2021

MANTA: A Secure and Memorable Passphrase Generator

A browser extension for generating memorable passphrases locally, without sending the generated phrase over the network.

MANTA: A Secure and Memorable Passphrase Generator

Client

Personal Project

Role

Product Designer, Chrome Extension Developer

Technologies

Chrome Extension API, JavaScript, npm

Key Results

5.0 from 1 rating
Chrome Web Store Rating
Local, no runtime network requests
Generation
One click, copy, done
UX

A passphrase generator for the awkward moments

Random strings can be excellent credentials, but they are difficult to read, type, or communicate when manual entry is unavoidable. Manta is a small Chrome extension for generating memorable passphrases with one interaction: open it, copy a phrase, and use it where needed.

The design goal was not to claim a universal strength threshold. It was to make a better password practice easy to reach for people who need a phrase they can handle manually.

Local generation by design

Manta generates passphrases entirely inside the extension. It makes no runtime network requests and does not depend on an external API or backend service to produce a phrase. That was deliberate: generated credentials should not need to leave the application to work.

The interface stays small on purpose. A phrase is ready immediately, and a person can copy it or generate another. There is no configuration flow to get through before the main task.

A small, shipped utility

The live Chrome Web Store listing shows a 5.0 rating from one rating. That is a useful signal that the extension is published and working, but not broad validation. Manta remains a small supporting project that demonstrates an interaction model, local-first privacy judgment, and a clear engineering boundary.

Chrome Web Store →

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MANTA: A Secure and Memorable Passphrase Generator screenshot
MANTA: A Secure and Memorable Passphrase Generator screenshot