Password Generator
Generate strong random passwords with selectable length and character sets, plus an entropy-based strength rating — randomness comes from crypto.getRandomValues, never Math.random.
How to use the Password Generator
- Fill in the inputs with your own numbers — every field shows what it expects.
- The result updates instantly as you type; no "Calculate" click needed.
- Read the result card for the main figure, the step-by-step formula, and practical notes.
Frequently asked questions
Is the Password Generator free?
Yes — all it & development calculators on Calcton are free, with no sign-up required. Your inputs are processed in your browser and never sent to a server.
Is there a Chinese version of this tool?
Yes. Use the Chinese version link above — it is the same calculator with the interface in Simplified Chinese.
References
Formulas and benchmarks used by this calculator follow these published sources.
KevinContent LeadCalcton Editorial Team · Last updated 2026-05-05
Kevin maintains Calcton's formula verification and content: every calculator cites the standard it implements, worked examples are recomputed programmatically, and health benchmarks follow WHO and international guidelines.
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About it & development calculators
Developer and IT calculators: subnetting, bandwidth and download time, number base conversion, password strength and storage sizing, with bitwise-level explanations.