Password & Security

Password Generator

All tools

Generate secure passwords. - runs entirely in your browser. Free, fast and private.

How it works

Four simple steps

1

Set password length

Choose how many characters the password should contain.

2

Pick character sets

Toggle uppercase, numbers, symbols, and exclude ambiguous chars.

3

Generate securely

Random bytes from crypto.getRandomValues build the password.

4

Copy password

Copy once and store in your password manager.

Password Generator

About Password Generator

Mistake to avoid: typing a "clever" password you can remember for every site. Password Generator builds high-entropy strings with crypto.getRandomValues, the same class of randomness password managers rely on, not Math.random().

Generate when you are creating a new account, rotating a leaked credential, or provisioning a staging secret you will store in a vault afterward. Dial length and character sets to match the destination policy. Exclude ambiguous characters only when a UI cannot tell 0 from O.

Pitfall: copying a password into chat or email "just for a minute." Put it straight into your password manager, then generate a fresh one if the first copy was exposed.

Tip: for memorable login phrases instead of character soup, try the Passphrase Generator on the same site.

Random values are created in your browser process. OneDevToolkit never receives the generated password over the network.

Features

Lightning fast

Processes data instantly with no server round-trips.

100% private

Your data never leaves your browser. Nothing is uploaded.

No installation

Works in any modern browser. Nothing to download or install.

Free forever

No limits, no sign-up, no credit card required.

Cross-platform

Works on desktop, tablet and mobile devices.

Dark & light mode

Beautiful in both themes. Your preference is saved.

Keyboard shortcut

Ctrl Enter - Run tool

Use cases

Account signup

Create a unique password, then save it in your manager immediately.

Rotation drills

Replace a reused or breached password without inventing one by hand.

Staging secrets

Mint throwaway credentials for local and staging environments.

Instructions

How to use this tool

FAQ

Frequently asked questions

See all FAQs

Answers for this tool. For site-wide help, open the FAQ hub.

No. Random values are created in your browser and never uploaded to OneDevToolkit.

The tool uses the Web Crypto API (crypto.getRandomValues) - not Math.random().

Generators and hashers run locally. Still, never paste production secrets into any site if your security policy forbids it.

Results live in page memory until you leave or clear. Favourites/history do not save password fields unless you explicitly store them in Vault.

When applicable, tools rely on Web Crypto or well-known libraries. Read on-page notes for exact algorithms (SHA-256, bcrypt-style notes, etc.).

After load, crypto helpers typically work offline. Confirm network independence for your threat model.

Browser CSPRNG (crypto.getRandomValues) powers secure generators when the tool states so.

Treat generated secrets like passwords - share only through approved password managers, never chat apps.

OneDevToolkit aids technical workflows; it is not a certification product. See Compliance for processing model language.

Always check you are on your real OneDevToolkit domain before entering sensitive material.

Contact us via Contact with responsible-disclosure details - do not include live production secrets.

View more FAQs

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