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Password Generator

Generate secure passwords instantly.

Your data stays in your browser and is never uploaded to a server.

Strength: Good
20 characters
4128
Options

Practical security guidance

Choose settings that match the account, not a memorized pattern

A generated password is most useful when it is long, unique to one account and saved in a trusted password manager. Character variety expands the available alphabet, but length and uniqueness matter more than predictable substitutions such as replacing an a with @.

Worked example: a new billing account

An administrator needs a password for a service that accepts up to 64 characters and will be stored in a password manager.

Inputs and process

  1. 1Length: 20 characters
  2. 2Uppercase, lowercase, numbers and symbols enabled
  3. 3Ambiguous characters excluded only if the password must be typed manually
  4. 4Generate once, save it in the correct vault entry and enable MFA

Result

The result is a random, account-specific secret that does not reuse a phrase, date or pattern from another login.

The strength indicator describes the generated value, not the whole account. Recovery settings, phishing resistance, multifactor authentication and secure storage remain separate controls.

How to interpret the generated result

A longer result is generally harder to guess because every additional random character multiplies the number of possible combinations. The estimate assumes the generator is random; it does not apply to human-created patterns of the same length.

Generate a different password for every service. If one provider is breached, uniqueness prevents the same credential from opening unrelated accounts.

Real use cases

Password-manager entries

Create long random credentials that you do not need to memorize or retype.

Shared operational accounts

Generate a neutral initial secret, store it in an approved team vault and rotate it after access changes.

Local devices

Create a device password within the length and character rules enforced by that device.

Sources and review

Last editorial review:

How to generate a secure password

  1. 1

    Choose a length between 4 and 128 characters.

  2. 2

    Select the character groups and exclusions you need.

  3. 3

    Generate the password and copy it securely.

Key features

Cryptographically secure

Random values come from the browser's Web Crypto API.

Flexible controls

Control length, character groups, ambiguous characters and repeats.

Private by design

Generation happens locally without sending the password anywhere.

Frequently asked questions

Are these passwords secure?

The generator uses crypto.getRandomValues(), a cryptographically secure source provided by your browser.

What length should I use?

For most accounts, 16 or more varied characters is a strong starting point.

Does Tervix store my password?

No. Passwords are generated and copied entirely in your browser.

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