PIN Generator
Generate cryptographically secure random numeric PINs using Python's secrets module. Each digit is individually randomised - No patterns, no repetition bias. PINs are never stored or logged.
PIN Security Guidelines
- Use 6 digits or more wherever the service allows
- Avoid PINs based on birth dates, phone numbers, or repeating digits
- Never share your PIN via email, SMS, or chat
- Use a different PIN for each account
PIN Security Best Practices
A PIN is only as secure as its length and randomness. Predictable PINs - Like 1234, 0000, or your birth year - Are among the first guesses an attacker will try. Even a 6-digit PIN chosen randomly is exponentially harder to crack than a 4-digit one.
Time to Crack PIN by Length
Assuming 10 guesses/second (typical hardware PIN brute-force)
PIN vs Password vs Passphrase
| Type | Example | Entropy (typical) | Best Use |
|---|---|---|---|
| 4-digit PIN | 7392 |
13 bits | ATMs, locked screens with rate-limiting |
| 6-digit PIN | 491827 |
20 bits | Two-factor authentication codes |
| 12-char random password | xQ4!mR9#wLz2 |
79 bits | Online accounts and services |
| Passphrase (5 words) | purple lamp river song oak |
~65 bits | Master passwords, encryption keys |
Frequently Asked Questions
For most use cases, 6 digits offers a good balance of memorability and security - Especially when the system locks after a few failed attempts. If you need a PIN stored in a high-security context with no lockout, use 10 digits or more.
Studies show that roughly 10-11% of all 4-digit PINs in the wild are "1234". Attackers always try the most common combinations first. A randomly generated PIN avoids this entirely - Which is exactly what this tool provides.
A password or passphrase is more secure, but a 6-digit or longer PIN is acceptable if your device enforces a lockout after failed attempts. Avoid 4-digit PINs on devices that can be attacked offline (e.g., after a theft without remote wipe).
Yes. This tool uses Python's secrets module, which draws from the operating system's cryptographically secure random number generator (CSPRNG). Each digit is selected independently with uniform probability.