Try the tool
Open Password Resilience Tester →The Password Resilience Tester is a local tool that analyses password strength in real time, calculating Shannon entropy and estimating crack times across different computational levels: a consumer PC, a GPU cluster (8× RTX 4090), a supercomputer, and a hypothetical quantum attack (Grover's algorithm).
This is the third project published in AI-LAB: the entire interface — gauge, histograms, analysis logic — was generated by conversing with an AI model, without manually writing or editing any code.
How it was built
The project was built with Google Gemini, starting from a natural-language description of the desired result. The tech stack — HTML, CSS and JavaScript for entropy calculation, SVG gauge and crack-time histograms — was chosen and implemented entirely by the AI in a single standalone file, with no server-side dependencies.
What the tool shows
- Circular gauge showing password strength percentage in real time, from "Weak" to "Unbreakable".
- Shannon entropy calculation based on password length and character pool (lowercase, uppercase, digits, symbols).
- Crack-time histogram across four scenarios: consumer PC, GPU cluster, supercomputer and quantum attack.
- Contextual feedback with suggestions to improve password strength.
Privacy note
The tool runs entirely in the browser: no password is ever sent over the internet. Analysis is performed locally via JavaScript, with no external server calls.
AI-LAB publishes exploratory projects: this tool is not part of Valuemate's commercial service portfolio.
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