[This project is a training demo]

A single-page web app that generates random passwords and estimates how long they would take to brute-force crack. Everything lives in index.html — HTML, CSS, and JavaScript in one file, with no build step or dependencies.

The page shows two side-by-side cards:

• Length — number of characters in the generated password (input ranges 4–20, defaults to 24).
• Include Uppercase — adds A–Z to the character pool.
• Include Numbers — adds 0–9 to the character pool.
• Include Symbols — adds a set of 18 symbols (!@#$%^&*(){}[]=<>/,.) to the character pool.

Lowercase letters are always included. Clicking Generate Password builds a new password by randomly picking one of the enabled character types for each position.

After each generation (and on page load), the app estimates how resistant the password is to a brute-force attack:

• Character set — the size of the character pool inferred from the password (lowercase = 26, uppercase = 26, digits = 10, symbols = 20).
• Combinations — the total keyspace, calculated as charsetSize ^ length.
• Time to crack — assumes an attacker guessing 10 billion (1e10) passwords per second and needing to search, on average, half the keyspace. The result is formatted into a human-readable duration (seconds, minutes, hours, days, or years).

Open index.html in any web browser — no server or installation required.

• Passwords are generated with Math.random(), which is not cryptographically secure. This is a demo/educational tool, not a production password manager.
• The crack-time figures are rough estimates: they assume a single fixed guess rate and pure brute force (no dictionary or smarter attacks).
• The length input is capped at 20 in the UI, but the field defaults to 24; the estimate uses whatever value is actually entered.