Calculateur de Keyspace Size
Calculate exact keyspace size and entropy for any length and alphabet size.
Formula and method
This calculator computes Keyspace, Entropy directly in your browser without sending data to an external server.
Mathematical formula
- Keyspace:
(BigInt(alphabet) × × BigInt(length)).toString() - Entropy:
length × Math.log2(alphabet)
Variables and parameters
- Alphabet size (alphabet): default value 62.
- Length (length): default value 12.
Some formulas are undefined for certain input combinations (such as division by zero or logarithms of non-positive numbers). In those cases the live tool displays an alert instead of NaN.
Embed this tool
Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.
Frequently asked questions
What equation and variables does Keyspace Size Calculator use?
Keyspace Size Calculator evaluates outputs such as <strong>Keyspace, Entropy</strong> based on inputs including Alphabet size, Length. Check the Mathematical Method section for the explicit formula.
What happens if I enter invalid or zero values into Keyspace Size Calculator?
If an input combination is mathematically undefined (such as division by zero or negative square roots), SpecWhale alerts you gracefully rather than returning invalid NaN outputs.
Are my calculations in Keyspace Size Calculator saved or private?
All calculations are 100% private and run locally in your Web browser. Your numbers are never uploaded to any server, but can be saved locally to your device or exported as CSV/JSON.
Is Keyspace Size Calculator free to use?
Yes. Keyspace Size Calculator is completely free, has no usage limit, and does not require an account, email, or API key.
Does Keyspace Size Calculator store or upload my data?
No. Keyspace Size Calculator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is Keyspace Size Calculator?
Keyspace Size Calculator uses a standard formula (see the Method section above for the exact expression). For high-stakes financial, medical, or legal decisions, confirm the result with a professional or an authoritative source before relying on it.
Can I embed Keyspace Size Calculator on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Keyspace Size Calculator to your own blog post or page.