Adgangskodegenerator
Choose length and character classes. The generator draws from the browser’s cryptographic random source when available.
Denne side oversætter den engelske original. Beregningsmotoren er den samme.
Kort svar
It builds a string from the selected alphabet using secure randomness in the client.
Eksempel: 16 characters with upper, lower, digits and symbols is a common default; longer is stronger if you can store it.
Beregningerne følger formlen på denne side; afrunding og enheder kan ændre sidste ciffer. Behandl resultatet som et pædagogisk skøn.
* Skøn. Faktiske beløb kan variere efter forudsætningerne.
Hvad denne beregner gør
It builds a string from the selected alphabet using secure randomness in the client.
Hvem det er til
Anyone creating a new password who wants the generation to stay on-device.
Sådan virker beregningen
A cryptographically strong RNG picks indices into the allowed character set until the requested length is reached.
Formel
Uniform draws from the selected alphabet. No password is derived from your name or the page URL.
Forudsætninger
- The browser provides crypto.getRandomValues or an equivalent.
- You store the result in a password manager.
Begrænsninger
- Does not check whether a password has appeared in a public breach.
- A short alphabet reduces strength even at long lengths.
Sådan bruger du værktøjet
- 1Set the length.
- 2Toggle character classes.
- 3Copy the result into a password manager — not into email.
Ofte stillede spørgsmål
- Do you store the password?
- Generation is client-side. We do not need the password to render the page.
- Is longer always better?
- Length helps, but a tiny character set or a reused password still fails.