NextAuth Secret

Generate a secret for `NEXTAUTH_SECRET` in a NextAuth setup.

Browser-only

What it's for

Use this when you want to create a `NEXTAUTH_SECRET` value in the browser. It is the secret used for session signing and auth flows.

Paste example

NEXTAUTH_SECRET=your-generated-secret
Read the NextAuth Secret guide

Length

Choose a length or enter one.

Details

Adjust character groups and exclusions.

Only open when needed
Character sets

Generated output

Length

32

Charsets

4

Lowercase + Uppercase + Numbers + Symbols5 Excluded
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All tools

Switch between every tool and preset here.

Login

Login Password

A stronger password preset for regular login use.

.env

.env Secret

A safer preset that fits well in `.env` files and config values.

API

API Key

For API secrets and other shared secret values.

URL

URL-safe Token

For URL-friendly tokens that allow only `-` and `_`.

Hex

Hex Secret

For secrets that are easier to handle in hexadecimal form.

QR

QR Code

Turn a URL or text into a QR code.