Tool 02 — Entropy Analyzer

How Strong Is
Your Password?

Calculate mathematical entropy and visualize exactly how long an attacker would need to crack it. Typed here, analyzed here — never sent anywhere.

100% Client-Side. No data ever leaves your browser.

Your password is never transmitted. All analysis is done in your browser memory.

0
bits of entropy
TYPE A PASSWORD
Length
0
Charset Size (L)
0
Entropy (bits)
0
Unique Chars
0
Time-to-Crack Estimates
Online (100 attempts/s)
—
Offline (1B attempts/s)
—
GPU Cluster (100B/s)
—
Nation-State (1T/s)
—
Character Set Composition
Uppercase (A–Z)
0
Lowercase (a–z)
0
Numbers (0–9)
0
Symbols
0
Formula: E = log₂(L^N) where L = charset size and N = password length.
Time to crack = 2^E / (2 × guesses_per_second) (average case, brute force).
Try Our Other Tools
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Generate cryptographically secure passwords and passphrases locally.

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🔐 Scrambler

Encrypt sensitive text with AES-GCM right in your browser.

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