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Password Generator

Generate strong, cryptographically secure passwords with customizable length, character sets, and entropy meter

Password Generator

Character sets

Strength: Very StrongEntropy: 104 bits

Quick presets

How it works

Cryptographic RNG

Uses Web Crypto API (crypto.getRandomValues) for true randomness.

Client-side only

Passwords are generated in your browser. Nothing is sent to any server.

Guaranteed coverage

Every password includes at least one character from each selected set.

Clipboard wipe

The clipboard is cleared 30 seconds after copying, so a password does not linger there.

Updated . Provided as is. Check the output before you rely on it in production.

How to use Password Generator

  1. 1

    Set password length

    Choose length between 4 and 128 characters. Longer passwords are more secure; aim for at least 16 characters for important accounts.

  2. 2

    Toggle character types

    Enable/disable uppercase letters, lowercase letters, numbers, and special symbols. For maximum security, include all character types.

  3. 3

    Generate and preview

    Click 'Generate' to create a cryptographically secure password. See multiple options and choose the one you prefer.

  4. 4

    Copy to clipboard securely

    Click 'Copy' to copy the password to your clipboard. The clipboard is cleared after 30 seconds for security. Don't store in plain text.

  5. 5

    Avoid memorable patterns

    Regenerate if the password looks too sequential or pattern-like. Use the generated password as-is to maximize randomness and security.

Questions and answers

What is Password Generator?
A strong password is a long random string from a large character set, so it cannot be guessed in practice. This generator picks each character with crypto.getRandomValues, from 4 to 128 characters with your choice of uppercase, lowercase, digits and symbols, shows entropy in bits, and makes up to 50 at once.
Does Password Generator store or send my data?
No. All processing happens entirely in your browser. Passwords are generated using the Web Crypto API locally on your device — nothing is sent to any server.
How secure are the generated passwords?
Passwords are generated using the Web Crypto API (crypto.getRandomValues), which provides cryptographically secure random numbers. The entropy meter shows the exact bit strength of each password so you can verify it meets your security requirements.

Use it as an API

Password Generator is also callable as a free HTTP JSON API at https://aidevhub.io/api/password-generator/ — GET with query parameters or POST with a JSON body, no authentication, CORS enabled, fair use (abusive traffic is throttled at the edge; there is no per-request quota header). Responses return { ok, tool, result, meta }. 

curl -s "https://aidevhub.io/api/password-generator/?length=24&symbols=true"

Machine-readable contract: /api/tool/password-generator.json All API endpoints: /agents/ LLM site index: /llms.txt

For AI agents: how to call this tool

Machine-readable contract, endpoints and examples. Humans can ignore this section.

Best Path For Builders

Dedicated API endpoint

Deterministic outputs, machine-safe contracts, and production-ready examples.

Dedicated API

https://aidevhub.io/api/password-generator/

OpenAPI: https://aidevhub.io/api/openapi.yaml

GET /api/password-generator/ GET password-generator
POST /api/password-generator/ POST password-generator