Django & Flask Secret Key Generator

Generate secure secret keys for Django, Flask, and Python apps.

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Django & Flask Secret Key Generator
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About the Django & Flask Secret Key Generator

Every modern web application needs a way to secure user sessions, sign cookies, and encrypt data. In Python frameworks like Django and Flask, this is done using a SECRET_KEY. If this key is weak or guessed, your application is vulnerable to attacks. Our tool helps you generate strong, cryptographically secure keys instantly.

We built this tool to be simple yet powerful. It runs entirely in your browser, so the keys you generate are never sent over the internet. You can generate a standard 50-character key (the Django default) or customize it to be even longer for maximum security.

How to Use the Tool

  • The tool automatically generates a secure key when you load the page.
  • Use the "Length" slider to adjust how long you want the key to be (default is 50).
  • Select your desired "Format" (Raw string, Python variable, or .env file format).
  • Click "Generate New Key" to create a fresh random string.
  • Click "Copy Key" to save it to your clipboard and paste it into your project settings.

Frequently Asked Questions

What is a Secret Key in Django/Flask?

A Secret Key is a random string used by web frameworks to provide cryptographic signing. In Django and Flask, it is used to sign session cookies, CSRF tokens, and other security-critical data. If someone knows your key, they can forge session data and potentially hack your site.

Is this generator safe to use?

Yes, it is 100% safe. This tool uses the window.crypto API built into your web browser, which generates cryptographically strong random values locally on your computer. No data is ever sent to our servers.

How long should my secret key be?

For most applications, 50 characters is considered the standard and is secure enough. However, longer is always better. We allow you to generate keys up to 100 characters long if you want extra security.

Can I use special characters in my key?

Yes, and you should! Including symbols (like !@#$%) makes the key much harder to guess or brute-force. Our generator includes a mix of letters, numbers, and symbols by default.

Where should I store my secret key?

You should never hard-code your secret key directly into your Python files if you plan to share your code (e.g., on GitHub). Instead, store it in an environment variable or a `.env` file and read it using os.environ.get('SECRET_KEY').

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