PIN Generator
Generate random numeric PINs privately in your browser.
Generate a random numeric PIN
Choose a Safer Random Numeric PIN
Numeric Personal Identification Numbers (PINs) protect smartphone lock screens, SIM card locks (SIM PINs), hardware security keys (FIDO2/YubiKey), debit and ATM cards, smart door locks, and voicemail boxes. Because numeric PINs draw from a pool of only 10 digits (0–9, or ~3.32 bits of entropy per digit), human-chosen PINs suffer from extreme predictability: empirical breach studies show that nearly 20% of all 4-digit PINs chosen by people are just three combinations (1234, 1111, and 0000), and birth years (19xx or 20xx) account for another huge share.
Generating a uniform, cryptographically random PIN eliminates human pattern bias and protects your devices against shoulder-surfing and top-100 guessing lists across US, Canadian, UK, and European mobile carriers and payment networks. Whenever a device or service allows it, upgrade from a 4-digit PIN to a 6-digit or 8-digit PIN and store it in your password manager. For full account protection advice, see our password security tips and secure PIN guide.
Numeric PIN Entropy & Combination Reference Table
Each digit in a truly random numeric PIN adds log2(10) ≈ 3.322 bits of entropy, multiplying the total number of possible combinations by 10. While hardware lockouts (such as a 10-attempt wipe policy on iOS/Android Secure Enclave or a 3-attempt SIM card lock) slow down physical attackers, longer PINs provide exponentially stronger protection:
| PIN Length | Total Combinations (10L) | Entropy (Bits) | 10-Attempt Hardware Guess Odds | Recommended Application |
|---|---|---|---|---|
| 4 digits | 10,000 | 13.3 bits | 1 in 1,000 (0.1%) | Legacy bank ATMs & fixed 4-digit locks |
| 6 digits | 1,000,000 | 19.9 bits | 1 in 100,000 (0.001%) | Smartphone lock screens & carrier SIM PINs |
| 8 digits | 100,000,000 | 26.6 bits | 1 in 10,000,000 (0.00001%) | FIDO2 hardware security keys & mobile carrier ports |
| 10 digits | 10,000,000,000 | 33.2 bits | 1 in 1,000,000,000 | High-security device encryption & admin kiosks |
| 12–16 digits | 1012 – 1016 | 39.9 – 53.2 bits | Negligible (< 10-11) | Numeric-only master vaults & recovery PINs |
4-Digit, 6-Digit & 8-Digit PIN Generator Guide + Most Common PINs to Avoid
Direct Answer: Always generate at least a 6-digit random PIN (1,000,000 combinations, 19.9 bits) for phones and SIM cards, or an 8-digit PIN (100,000,000 combinations, 26.6 bits) for FIDO2 security keys and carrier port-out locks; only use a 4-digit PIN when a bank ATM or physical keypad strictly limits input to 4 digits.
4-Digit PIN Generator vs. 6-Digit & 8-Digit PINs
- 4-Digit PIN Generator (10,000 Combinations): Standard for debit/credit EMV chip-and-PIN cards, bank ATMs, and smart deadbolts. Enable Avoid repeated adjacent digits to prevent double-presses that are easy to spot via shoulder-surfing or thermal keypad smudges.
- 6-Digit PIN Generator (1,000,000 Combinations): Recommended default for Apple iOS (iPhone/iPad Secure Enclave), Android lock screens, WhatsApp/Signal two-step registration locks, and mobile SIM card PINs.
- 8-Digit to 16-Digit PIN Generator (108–1016 Combinations): Ideal for FIDO2 hardware keys (YubiKey / Google Titan), mobile carrier account port-freeze PINs (AT&T, Verizon, T-Mobile, Rogers, Bell, Telus, EE, Vodafone), and numeric disk encryption.
Most Common 4-Digit & 6-Digit PINs to Never Use (Breach Data Benchmark)
Analyses of millions of leaked numeric passcodes reveal that attackers testing just the top 20 most common 4-digit PINs succeed against more than 26% of human-chosen codes:
- Top 20 Most Compromised 4-Digit PINs:
1234(10.7%),1111(6.0%),0000(1.9%),1212,7777,1004,2000,4444,2222,6969,9999,3333,5555,6666,1122,1313,8888,4321,2001, and1010— plus vertical keypad column2580and any birth year between1940and2026. - Top 10 Most Compromised 6-Digit PINs:
123456,111111,000000,121212,654321,666666,112233,123123,789456, and159753(diagonal keypad walk).
How Our Browser-Only window.crypto.getRandomValues() PIN Generator Works
Every numeric PIN produced on this page is generated inside your web browser using the W3C Web Crypto API (window.crypto.getRandomValues()) with zero server communication:
- Uniform Digit Probability: Each digit position (
0–9) is independently drawn from your device's operating-system CSPRNG entropy source, ensuring every digit from0through9has an exact 10.0% selection probability without human keypad bias. - Zero Storage or Logging: Your generated PIN stays strictly in volatile DOM state inside your active browser tab. It is never placed in URL query strings, browser history,
localStorage, cookies, or analytics events. - Independent DevTools Verification: Press
F12to open your browser's Developer Tools, select the Network tab, and click Regenerate. You can verify firsthand that zero network packets are transmitted when creating or copying a PIN.
Frequently asked questions
How many digits should a secure PIN have?
Use a 6-digit to 8-digit random PIN whenever the device, SIM card, or banking service allows more than 4 digits. Each extra random digit multiplies brute-force combinations by 10.
Does The Pass Key store or log generated PINs?
No. Numeric PINs are generated locally inside your browser tab with window.crypto.getRandomValues() and are never sent over the network or saved in cookies.
Which PIN patterns should I avoid?
Avoid birth years (19xx or 20xx), repeated digits (0000, 1111), sequential numbers (1234, 2580), and reutilizing your phone unlock PIN on payment cards.